Answer:
A dehydrogenase is an enzyme .
Explanation:
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Based on patterns of the periodic table, which element is the least malleable in its solid state?
A. Strontium (Sr)
B. Copper (Cu)
C. Antimony (Sb)
D. Phosphorus (P)
Answer:
These are the answers for the Atomic Number Quick Check
Explanation:
1. An element is highly conductive, highly reactive, soft, and lustrous. The element most likely belongs to which group?: alkali metals
2. How does mercury differ from other metals?: It is not solid under normal conditions.
3. Based on patterns in the periodic table, which element is the least malleable in its solid state?: phosphorus (P)
4. In which group of elements does tellurium (Te) belong?: metalloids
5. Which statement describes the properties of lanthanoids and actinoids?: They are malleable and lustrous, and they tend to conduct both electricity and thermal energy.
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Based on patterns of the periodic table, the chemical element which is the least malleable in its solid state is: D. Phosphorus (P).
A periodic table refers to an organized tabular arrangement of all the chemical elements, typically arranged in order of increasing atomic number or number of protons (in rows).
Phosphorus is denoted by the chemical symbol P and it is a chemical element with an atomic number of fifteen (15) and as such it is found in group five (5) of the periodic table.
Malleability is one of the chemical properties of a chemical element and it is simply a measure of it softness such as when hammered.
According to trends (patterns) of the periodic table, Phosphorus (P) is the chemical element which is the least malleable in its solid state.
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1How do you calculate magnification on a light microscope?
What is the function of sulphur (IV) oxide in the reaction represented by the following equation? SO 2(aq) + 2H2S(g) -> 35 (s) + 2H 20 (l)
A. Dehydrating agent
B. Oxidising agent
C. Bleaching agent
D. Acid
E. Precipitant
This is a type of physical evidence that is present at the crime scene in very small quantities.
A. Trace Evidence
B. Indirect Evidence
C. Direct Evidence
D. Physical Evidence
How many elements
make up hydrogen
Answer:
hydrogen is 1 element but has 2 atoms
Which elements would react most easily with each other? (1 point) an element with a high electronegativity and an element with a single valence electron an element with a high electronegativity and an element with a single valence electron an element with a high electronegativity and an element with a full shell of electrons an element with a high electronegativity and an element with a full shell of electrons an element with a high electronegativity and an element with low reactivity an element with a high electronegativity and an element with low reactivity an element with a high electronegativity and a second element with a high electronegativity
Answer: The question is difficult to read. Please add numbered lines and check before uploading the question. I copied and organized the best I could, followed with my answers, below.
Explanation:
1. an element with a high electronegativity and an element with a single valence electron YES
2. an element with a high electronegativity and an element with a single valence electron Duplicate
3. an element with a high electronegativity and an element with a full shell of electrons NO
4. an element with a high electronegativity and an element with a full shell of electrons Duplicate
5. an element with a high electronegativity and an element with low reactivity NO
6. an element with a high electronegativity and an element with low reactivity Duplicate
7. an element with a high electronegativity and a second element with a high electronegativity NO
Elements have electronegativities because of the tendency of attracting electrons. An element with a single valence electron and high electronegativity will react with each other. Thus, option A is correct.
What is electronegativity?Electronegativity has been defined by the atom's tendency to attract the electrons that are in sharing for the formation of the chemical bond. The atomic number and the atomic radii affect electronegativity.
High electronegative elements are electron acceptors and are characterized by an almost full valence shell. The electron is required by them to achieve stability and complete octet. Elements with full shells cannot accept more electrons.
Therefore, option A. high electronegative element reacts easily with a valence electron to form a bond.
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Hot glass looks the same as cold glass?
Answer:
This is true. A hot glass does look the same as a cold glass. Glass won't change its look if it's below 648 degrees Celsius.
Neha and Reha are playing see-saw. Neha is sitting 60 cm away from the fulcrum and Reha is sitting 40 cm away from the fulcrum. Calculate the effort that Reha should apply to lift Neha. The weight of Neha is 360 N.
Answer:
Reha should apply 540 N to lift Neha.
Explanation:
L = 360 N
LD = 60 m
E =?
ED = 40m
NOW
L * LD = E * ED
360 *60 = E*40
21600/40 = E
540 N = E
Science Laboratory Safety Procedures
1.
What items are you not allowed to consume during the lab?
am I right or am I wrong what answer is it
Answer:
you're righttttttttttttttttttttt
Answer:
yes because my class went over sum like that
Explanation:
What is the chemical formula for glucose?
Answer:
C6 H12 O6
Explanation:
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The chemical formula for glucose is C6H12O6. This means that there are 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen in a single molecule.
4. What is the main hydrocarbon component of natural gas? A. ethane
B. ethene C. methane
7.The fact that alpha particles cannot travel very far trough body tissues is the main reason that radioactive tracers use to detect diseases in internal organs emit beta particles or gamma rays.
A. true B. false
8.A wax is an ester of a long-chain fatty acid and a long-chain alcohol. A. true
B. false
Answer:
Q.4) C. Methane
Q.7) A. False
Q.8) A. True
1.
If a box has equal and opposite forces
acting on it, will the box accelerate?
oeste
Yes
No .
no, the box would not accelerate
determine the empirical formula of the compound formed when 1.2g of magnesium reacts with 3.55g of chlorine.take the molar mass of magnesium and chlorine to be 24g and 35.5g.
Answer: MgCl2
Explanation:
Convert the masses of Mg and Cl to moles:
Mg: 1.2g/24g/mole = 0.050 moles
Cl: 3.55g/35.5g/mole = 0.100 moles
The ratio of Cl to Mg is 2 to 1: (0.100 moles Cl/0.050 moles Mg), Therefore there must be 2 Cl for every Mg:
MgCl2
This is the empirical formula since all we know is the ratio. If could also be Mg2Cl4, Mg3Cl6, etc, [i.e., (MgCl2)n]
Diagram 1 shows the species of carnivore animal. (tiger)
What is the use of canine teeth for the animal?
a. Tear food
b. grind food
c. cut food
d. chewing and crushing food
Answer:
a no. because tearing the raw meat will not be easy without the use of the canine teeth
_______is used for measuring mass.
Answer:
physical quantity is used for measuring mass.
have a great day God bless you
How many significant figures are in 4500000. mL?
Explanation:
1 significant figure and 0 decimal
According to the molecular orbital theory how many molecular orbitals are formed when six p-orbitals of benzene combine?A) 6B) 5C) 4D) 3E) 2
there are 6 orbitals are formed when six p- orbitals of benzene combine.
When salt dissolves completely into water, which term is used to describe the water?
Answer:
A salt that is dissolved in water is called a solute
Once you have dissolved the salt - you have a solution
The water is called the solvent
Explanation:
We have that When salt dissolves completely into water the water is called a Solvent
it is important to not that once the salt compound comes into water it breaks down the molecule apart the Na on one hand and the Cl on the other hand
Once the NaCl is dissolved in to the H_2O it is known as a solute of salt
And when When salt dissolves completely into water the water is called a Solvent
Therefore
When salt dissolves completely into water the water is called a Solvent
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examps of sources of primary pollutants
Answer:
Primary pollutants can be emitted from many sources including cars, coal-fired power plants, natural gas power plants, biomass burning, natural forest fires, volcanoes, and many more. The effects of primary pollutants are of concern as they can be harmful to humans, animals and plants.Sep 3, 2018
Explanation:
A primary source results from the direct emissions from an air pollution source. In contrast, a secondary source results from the formation of a pollutant in the atmosphere from the chemical reaction of precursors emitted from air pollution sources.
Explaining or interpreting the things you observe based on reasoning from what you already know is called a. observing. c. predicting. b. inferring. d. classifying.
Answer:
B. inferring
Explanation:
A variable parameter
a. does not affect the result.
b. is the factor that changes in an experiment.
C. cannot change.
d. is rarely included in experiments.
Answer
b.
Explanation:
variable means change bro
Need the ionic formula
Answer:
To find the formula of an ionic compound, first identify the cation and write down its symbol and charge. Then, identify the anion and write down its symbol and charge. Finally, combine the two ions to form an electrically neutral compound.
Explanation:
What is the chemical formula for peracetic acid?
The chemical formula for peracetic acid is C2H4O3. This means that there are 2 atoms of carbon, 4 atoms of hydrogen, and 3 atoms of oxygen in a single molecule.
I think that the answer is C2H4O3.
what is a cavity in your own words
Answer:
A cavity is a hole in a tooth that develops from tooth decay Cavities are permanently damaged areas in the hard surface of your teeth that develop into tiny openings or holes .They are caused by a combination of factors, including bacteria in your mouth, frequent snacking, sipping sugary drinks and not cleaning your teeth well.
these are in my own words
which type of substance can separated using a centrifuge?
Answer:
Its separates the components of heterogeneous mixtures.
like examples :-
liquids in liquids, solids in liquids, solids and liquids in gases.
what are some potential fire startersfor a wildfire
Which statement about an atom is correct? (1 point)
O The proton has no charge and is found in the nucleus.
O The neutron has no charge and is found outside of the nucleus.
O The neutron has a negative charge and is found in the nucleus.
o The electron has a negative charge and iş found outside of the nucleus.
Answer:
D. the electron has a neg. charge and is found outside of the nucleus.
Explanation:
the proton has a positive charge, while the neutron has no charge at all. both are found in the nucleus.
the electron has a negative charge, but stays outside of the nucleus in the electron cloud, constantly moving around.
Taking into account the constitution of an atom, the correct statement is "The electron has a negative charge and iş found outside of the nucleus."
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
Every atom consists of:
A nucleus in which neutrons and protons meet. Energy levels where electrons are located.In other words, the atomic nucleus is the central part of the atom that is made up of protons and neutrons, while the orbitals or peripheral region is an area where electrons are found.
The neutron is an electrically neutral subatomic particle, while the proton has a positive electrical charge. Electrons have a negative charge, move around the nucleus at different energy levels and are attracted to protons, positive in the atom through electromagnetic force.
In summary, the correct statement is "The electron has a negative charge and iş found outside of the nucleus."
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what is the chemical formula of ( methane ) ??
» CH4[tex] \: [/tex]
--⚘ Mishi ChaeYoon ⚘--Answer:
[tex]CH_4[/tex]
Explanation:
Methane is a chemical compound with the formula CH4. ( One atom of carbon and four atoms of hydrogen).
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what is soil pollution
Answer:
Soil pollution is defined as the presence of toxic chemicals (pollutants or contaminants) in soil, in high enough concentrations to pose a risk to human health and/or the ecosystem.