Building Vocabulary
Match each term with its definition by writing the letter of the correct definition on
the line beside the term in the left column.
5. nucleus
6. proton
D
7. neutron
c.
8. electron
9. atomic number
10. isotopes
a. the sum of protons and neutrons in the nucleus of an
atom
b. the very small center core of an atom
atoms of the same element that differ in the number
of neutrons, but have the same number of protons
d. the particle of an atom that moves rapidly in the
space outside the nucleus
a specific amount of energy related to the movement
of electrons in atoms
f. the particle of an atom with a positive charge
g. the number of protons in the nucleus of every atom
of an element
h. the particle of an atom that is neutral
11. mass number
e.
12. energy level
a

Answer:

Explanation:

Building Vocabulary

Match each term with its definition by writing the letter of the correct definition on

the line beside the term in the left column.

5. nucleus   b

6. proton     f

7. neutron   h

8. electron  d

9. atomic number    g

10. isotopes              c

11. mass number      a

12. energy level       e

a. the sum of protons and neutrons in the nucleus of an

atom

b. the very small center core of an atom

c. atoms of the same element that differ in the number

of neutrons, but have the same number of protons

d. the particle of an atom that moves rapidly in the

space outside the nucleus

e. a specific amount of energy related to the movement

of electrons in atoms

f. the particle of an atom with a positive charge

g. the number of protons in the nucleus of every atom

of an element

h. the particle of an atom that is neutral

-. mass number  a.

12. energy level    e

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Salt is added to water at room temperature, and the solution remains at room temperature. Which of the following does not apply to the more concentrated salt solution?

Select one:
a. It has a higher boiling point than water.
b. It has a greater electrical conductivity than water.
c. It has a lower freezing point than water.
d. The salt absorbs energy from the water.​

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1, 2 and 3

Select the answer that completes each statement.

The
founded the Virginia colony.

The
government took over the Virginia colony because too many colonists had died.


and
worked on the tobacco plantations.

The
was the first elective governing body in a British colony.

Explain how heat gets transferred?

What is the SI base unit of temperature?​

Which of the following describes a chemical property of oxygen?
Oxygen is a gas at room temperature.
An oxygen molecule has an atomic mass of 32 a m u.

The density of oxygen is 0.00133 grams per centimeter cubed .

Oxygen reacts with iron to form rust.

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If the statement is true, write true. If the statement is false, change the underlined word
or words to make the statement true.
1. An element’s mass number tells the number of protons in its
nucleus.
2. Negatively charged particles in an atom are called electrons.
3. The cloud model of the atom describes the location of
electrons as specific orbits around the nucleus.
4. Atoms with the same number of protons but different numbers
of neutrons are called isomers.
5. The sum of the protons and neutrons in an atom is called the
atomic number.
6. An object that helps explain ideas about the natural world is
called a model.

Fill in the blank to complete each statement.
7. The positively charged particle of an atom is called a(n) .
8. A particle with no charge is a(n) .
9. A(n) is the particle of an atom that moves rapidly in the
cloudlike region around the nucleus.
10. The tells the number of protons in the
nucleus of every atom of an element.
11. Atoms of the same element that have the same number of protons but different
numbers of neutrons are called .
12. The sum of protons and neutrons in the nucleus of an atom is the
.

Write the letter of the correct answer on the line at the left.

13. The positively charged particle in an atom’s nucleus is the
A electron
B neutron
C proton
D isotope

14. The smallest particle an element can be divided into is the
A electron
B neutron
C isotope
D atom
15. An element’s identity can be determined from its
A atomic number
B number of neutrons
C number of isotopes
D energy levels

16. The model of the atom that described electrons scattered throughout a ball of positive charge was proposed by
A Niels Bohr
B Ernest Rutherford
C J. J. Thomson
D John Dalton

Science is based on the correspondence theory of truth, which claims that truth corresponds with facts and reality.

where on the periodic table are noble gases found?

how does a phenol red-containing solution look if co2 level is low?

the part of an atom that has an overall positive charge is called

A molecule is made up of more than one element ?

hello
Describe the structure of solid potassium iodide.

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What reasons did the Pilgrims give for creating the Mayflower Compact?

to create a colony, establish a new church, and provide a long life for their children

to organize a new nation and create order, and for financial gain

to organize themselves, guarantee a long life for the colony, and achieve their goals in setting up the colony
“[To] Combine ourselves together into a Civil Body Politic, for our better ordering and preservation and furtherance of the ends aforesaid”

—Mayflower Compact

Answer two questions below:

what is the name of the following organic compound? ch3ch2ch2ch2ch2ch2ch2ch3

Earth science
Help plz!
Which piece of information could a person obtain from a contour map?
1.the mineral composition of a mountain
2. the elevation of a mountain 3.the speed of water flow in a river
4.the amount of water in a river

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What kind of feature results from the convergence of two oceanic plates?

Which of the following are directly proportional? *
volume and temperature
pressure and volume
pressure and temperature

Can you convert this balanced equation into a nominative equation?

Hydrogen sulfide gas is combusted with oxygen gas to produce sulfur dioxide gas and water vapour. If there is 48.4 L of oxygen available. What volume of hydrogen sulfide gas may be combusted if the pressure and temperature are held constant?

Which of the following would exhibit the lowest conductivity?
a. Mg
b. NaCl
c. CO(2)
d. MgCl(2)

What makes a charged object attract an uncharged object?

The charge in both objects move around.

The charged object is positively charged.

The charges move in the uncharged object.

The uncharged object becomes negatively charged.

2. DEFINE CHEMICAL BOND IN YOUR OWN WORDS.

Suppose a high-flying jumbo jet with a mass of 45,000 kg cruises at constant velocity when the thrust of its engine is a constant 80,000 N. What is the acceleration of the jet?

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