Question 1

Which particles make up an atom?

Accepted Answer

electrons, protons, neutrons

Answer

electrons, protons

Answer

protons, neutrons

Answer

electrons, neutrons

Question 2

All atoms of the same element have the same number of protons.

Accepted Answer

TRUE

Answer

FALSE

Question 3

The smallest particle of an element that has the element’s properties is the _______.

Accepted Answer

atoms

Answer

particles

Answer

elements

Answer

compounds

Question 4

Trillions of atoms would fit inside the period at the end of this sentence.

Accepted Answer

TRUE

Answer

FALSE

Question 5

What are subatomic particles with a positive charge called?

Accepted Answer

protons

Answer

nucleus

Answer

electrons

Answer

neutrons

Question 6

What are the pure substances that make up all kinds of matter and are made up of atoms?

Accepted Answer

elements

Answer

protons

Answer

compounds

Answer

<P>electrons</P>

Question 7

What are the subatomic particles that do not possess any charge called?

Accepted Answer

neutrons

Answer

protons

Answer

electrons

Answer

atoms

Question 8

What is all matter made of?

Accepted Answer

atoms

Answer

electrons

Answer

protons

Answer

neutrons

Question 9

Which particles constantly move around the center of an atom?

Accepted Answer

electrons

Answer

nucleus

Answer

neutrons

Answer

protons

Question 10

Which statement is true about the all the atoms of a given element?

Accepted Answer

They are identical because they have the same number of protons.

Answer

They have the same size as the atoms of all other elements.

Answer

They have the same number of protons as neutrons.

Answer

They are not identical because they have a different number of protons.

Question 11

Which unit is closest in size to the radius of an atom?

Accepted Answer

1 nanometer

Answer

1 picometer

Answer

1 millimeter

Answer

1 micrometer

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