In a Lewis structure, what does a single line represent?

A. A single ionic bond

B. A single covalent bond

C. A double covalent bond

D. A single valence electron​

Answers

Answer 1

Answer:

The answer is B

Explanation:

it's supposed to represent a single covalent bond


Related Questions

PLEASE HELP WITH THIS ONE QUESTION

Answers

Answer:

one negative one positive feedback loop

Atoms with full valence electron shells are chemically stable. Most noble gases have eight valence electrons. So, one model for chemical bonding is the octet rule. This states that atoms will _________ or __________ electrons in order to reach the more stable arrangement of eight electrons in their valence shells. A) lose, gain B) conduct, share C) transfer, share D) conduct, transfer

Answers

Answer:

A - Gain or Lose

Explanation:

Atoms with full valency electron shell are usually very stable. Most noble gases with full valency shell are usually very stable . The valency electron are fully occupied(8) for all noble gases this is what makes them hard to react with other element.

During chemical bonding elements strife to attain the octet rule. The octet rule is to have a full valency electron through bonding . When this atom bond they either transfer electron or share electrons.

The case of transferring electrons forms an ionic bonding. One atom gain electrons while the other lose electrons during ionic bonding. One atom form cation while the other forms anions.

For covalent bonding  atoms are shared to attain the octet rule. This kind of bonding exist between a non metal and another non metals

Answer:

Explanation:A: gain or lose

A person jogging from the forest to the office covers the 6,800
meters in 2 hours. Their speed is not constant and they slow down
and speed up at various times. What is their average velocity?
Round the answer to the hundredths place if necessary.
a 1.9 m/s north
b. Impossible to calculate since the speed wasn't constant.
C. 0.9420/s north
d. 56.67 m/s north
e. 1.34 m/s north
f. 0.56 m/s north

Answers

Answer:

b

Explanation:

Which statement describes an effect of economic dominance on society?
A.
Economic dominance encourages education systems to impart moral values to people.
B.
Economic dominance allows people to spend more time with their families.
C.
Economic dominance causes education systems to channel their efforts into imparting skills for the job market.
D.
Economic dominance has led the government to mold its working methods to increase costs.

Answers

I think the answer is C.

What is the name of the process That forms to DNA molecules from 1? Lol help plz (UwU)

Answers

Answer:

Replication

Explanation:

Think its correct

Using ___ is one way of planting where a seed is allowed to germinate in box or boxes before planting the soil.

Answers

Answer:

Plantig seeds

Explanation:

The answer is “Planting seeds”.

URGENT PLEASE:
Explain how a lack of carbohydrates will impact cellular functions and why?

Answers

Answer:

Carbohydrates they say is the major classes of food and don't forget they are stored by stach in the body and gives your body energy

Carbohydrates are degraded into sugar which, as a primary source, is required for the brain, muscles and other parts of the human body to function normally.

When you don't get enough carbohydrates, the level of sugar in your blood may drop to below the normal range (70-99 mg/dL), causing hypoglycemia.

Use the periodic table from the lesson to answer the following question.
The atomic mass of F is.
9
10
19
55

Answers

Answer:

19

Explanation:

Fluorine's atomic mass is 18.99 which rounds up to 19 which is on your selection of choices.

Which of following is found in the Terai region?
i. Langtang national park
ii. Khaptad national park
iii. Makalu Barun national park
iv. Bardia national park Garnment and​

Answers

Answer:

1.is the answer to the question

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8. A wise old wizard once told me that when your muscles use ATP they are really using light
energy. What did the wise wizard mean?

Answers

Answer: in humans, we don't use light energy to make ATP but in plants however, they create ATP in a proccess called photosynthesis, this process requires light to be absorbed twice, once in each photosystem, and it makes ATP. In fact, it's called photophosphorylation because it involves using light energy (photo) to make ATP from ADP (phosphorylation)

Explanation:

Type your response in the box.
Explain why it's important for scientists to study the Sun. List at least two challenges researchers face when
examining Earth's nearest star.

Answers

Answer:

its very important in our day to day life

Explanation:

the sun is our closest star and there are many theorys about it that need to be proven right or wrong

Understanding the Sun will help us better understand stellar life cycles and the origins of our solar system. The cost of the equipment needed to research the Sun is prohibitive. The Earth's distance from the Sun must also be considered, as well as how equipment must resist the Sun's intense heat.

Please give brainliest.

Imagine you have been shipwrecked and are floating on a small piece of wood in the middle of the ocean. You are terribly thirsty and take a drink of seawater (3.5% salt). What do you think happens to your stomach cells (1% salt), and why?

Answers

Given the higher salinity of the ocean water in comparison to your stomach cells, you will lose water from your cells and become dehydrated.

Osmosis is a phenomenon that shows that in the presence of a space in which the solute concentration is higher than its current location, water will travel towards that more concentrated space in an attempt to dilute the concentration.

The urge to drink is what we call being thirsty. This urge has a biological origin. It is the body's way of telling you that your cells need more water, which leads us to often consume any water we have available. This is not always in our best interest.

However, due to osmosis, drinking the seawater would only have a negative effect on your stomach cells. As stated in the question, the cells contain less concentration of solute (in this case salt) than the water. This means that instead of entering the cell, water would leave to dilute the new seawater, thus dehydrating you more and worsening your condition.

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Primary productivity is not limited by _______.
a.
the availability of sunlight
b.
time
c.
the availability of nutrients
d.
access to water


Please select the best answer from the choices provided

A
B
C
D

Answers

B???????????????????????????????????????

What is the value of a transitional fossil?
Transitional forms show the evolutionary steps between species.
Transitional forms are analogous fossils.
Transitional forms discredit the theory of evolution.
Transitional forms are proof of punctuated equilibrium in evolution.

Answers

The value of a transitional fossil is that its forms are analogous fossils.

What is Transitional  fossil?

These are fossilized remains of organisms which exhibits traits common to

both an ancestral group and its derived descendant group.

Analogous fossils possess similar structures and functions but evolved

differently thereby making the transitional form the same as it being

analogous.

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Answer:

A

Explanation:

On Edge2022 :)

Which of the following factors was likely the greatest
contributing factor to the 1916 influenza outbreak?

Answers

Answer\

poor sewage systems

Explanation:

Describe the various types of cells in the human body

Answers

Explanation:

The cells inside our bodies are “specialized.” This means that each type of cell performs a unique and special function. For this reason, each of the 200 different types of cells in the body has a different structure, size, shape, and function, and contains different organelles.16 Jul 2018

https://www.healthline.com › health

How Many Cells Are in the Human Body? Fast Facts - Healthline

aproximately how many HeLa cells are there?

Answers

Over the course of 26 years, 600,000,000 HeLa cells have been produced in my laboratory each week, for a total of 800 billion cells. That is a lot of cells, but it's nothing compared with the total number of cells – approximately 100 trillion – that make up a human.

N.) Effects of human Intervention of the nitrogen cycle-

Answers

The chief culprit is fossil fuel combustion, which releases nitric oxides into the air that combine with other elements to form smog and acid rain.

To best display the distribution of sex (male, female, other), we could use:

Answers

Answer:

i guess it's gender

hope this helps

What is the purpose of technology?
A. Creating political pressure
B. Finding new scientific discoveries
C. Solving problems
D. Regulating the government

Answers

The purpose of technology is to solve problems and improve various aspects of human life. Option C.

The purpose of technology is multifaceted and encompasses various objectives.

However, at its core, technology is developed to address challenges, solve problems, and enhance different facets of human existence. Whether it is improving efficiency, increasing productivity, advancing communication, or creating innovative solutions, technology aims to provide practical and tangible benefits.

Technological advancements enable us to overcome obstacles and improve the quality of life.

From medical technologies that diagnose and treat diseases to renewable energy sources that combat climate change, technology plays a pivotal role in finding solutions to complex problems. It empowers us to tackle issues in areas such as healthcare, transportation, agriculture, education, and environmental sustainability.

Furthermore, technology drives scientific discoveries and innovation. It provides scientists with tools and methodologies to conduct research, gather data, and analyze information, leading to new insights and understandings of the world.

Technological advancements in fields like computing, artificial intelligence, and genetic engineering have opened up new frontiers for exploration and scientific breakthroughs.

While technology can be used for political advocacy, social mobilization, and improving governance processes, these are additional applications rather than its fundamental purpose.

The primary aim of technology is to address challenges, solve problems, and enhance human experiences in various domains. It serves as a catalyst for progress and development, shaping the way we live, work, communicate, and interact with the world around us. SO Option C is correct.

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13. Processes and ships proteins
out of the cell.

Answers

Answer:

Golgi Apparatus

Explanation:

HELP PLEASE!!!explain how Earth is heated through conduction​

Answers

As it's known conduction needs a medium for heat transfer and during the day, sunlight rays pass through the Earth's atmosphere and near the earth's surface is where most heat transfer by conduction occurs since air is a poor conductor. Thus, the sunlight hits the earth's surface(ground) and in turn heats the air above it and transfering the heat.

It must be known that conduction happens mostly near the earth's surface.

Answer:

Conduction is one of the ways that energy is transferred from the earth's atmosphere to the air. Conduction is the process by which heat energy is transmitted through collisions between neighboring molecules. Think of a frying pan set over an open camp stove.

Explanation:

Where do heterotrophs get phosphorus from?

Answers

Answer:

Heterotrophs rely on organic material and remineralize nutrients such as nitrogen and phosphorus when they are in excess of requirements.

Complete the sentences using the given words.
caldera cinder cone crater
a. A(n) ____________ is a bowl-shaped depression that surrounds the vent at a volcano's summit. b. A(n) ____________ forms in the depression left when an empty magma chamber collapses. c. The type of volcano that is the smallest and has the steepest slopes is called a(n) ____________.​

Answers

Answer

A) crater

B) caldera

C) composite

Which term best completes the following analogy?

Elements : Atoms: Covalent compounds: _________

A. Bonds

B. lons

C. Mixtures

D. Molecules​

Answers

Answer:

C. Molecules

The best term that completes the analogy is Molecules

Hi! Does anyone know the answer to this question? Will mark brainliest!


What is shown in this illustration?

A. continental-continental convergence boundary

B. oceanic-oceanic convergence boundary

C. oceanic-continental convergence boundary

D. hot spot

Answers

Answer:I promise you it is hot spot

Explanation:

Please help! will mark brainlist!!!

Which object is hotter in terms of its kinetic energy: the cup of coffee or the iceberg? Explain the reason for your answer in terms of your understanding of the kinetic molecular theory of matter. ​

Answers

Answer:

red-hot iron bar

Explanation:

An iceberg could even contain more heat energy than a cup of coffee or a red-hot iron bar. That's because its bigger and contains so many more molecules, each of which has some heat energy. The coffee and the iron bar are hotter (have a higher temperature), but the iceberg holds more heat because it's bigger.

Pollution has negative effects on plants, animals, and people. Which choice would be least likely to cause water pollution?

Answers

Answer:

plants

Explanation:

because animals can maybe poop or pee on the water .and also people are the same too.so plants are the least likely to cause water pollution

In a crosstab, the cells show:

Answers

Answer:

The cells in a crosstab show summary data for the corresponding row and column, based on a measure and a summary function. The simplest crosstab is a frequency matrix, such as the following example, which shows the count of pets (measure) by gender (column) and species (row). Example of a simple crosstab

Explanation:

Which of the following is the observed result of aquatic species exposed to a toxin?

I. Developmental dysfunction
II. Gender imbalances
III. Increased reproduction rates

I, II, and III
I and II
II and III
I only

Answers

The release of toxins such as heavy metals into the water bodies has been deeply frowned at .This is because toxins usually have  a negative effect on aquatic species. The negative effects include:

Developmental dysfunctionGender imbalances

Toxins also gives rise to developmental dysfunction in the animals . The toxins ensures that there is a shortage by interfering/reacting with the nutrient needed for the growth of these organisms.

The issue of gender imbalance is also true as some toxins causes water bodies to be warmer which favors the presence of female  aquatic species such as reef fish.

Toxins causes aquatic bodies to be short of oxygen supply as the elements or compounds released vie for oxygen with the animals which may lead to less reproduction rates and death in severe occasions.

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