Chapter Ten Review

Question 1

Wher are electrons likely to be found?

Accepted Answer

electron clouds

Question 2

An atom of gold with 79 protons, 79 electrons, and 118 neutrons would have a mass number of

Accepted Answer

197

Question 3

Isotopes have a different number of these which gives them different masses.

Accepted Answer

neutrons

Question 4

This type of force is what causes objects to attract and repel each other

Accepted Answer

electromagnetic force

Question 5

This force is responsible for keeping the neuclus of an atom together

Accepted Answer

strong force

Question 6

Which of the following has the least mass?

Accepted Answer

electron

Question 7

Which of the following has no charge and is found in the nucleus?

Accepted Answer

neutron

Question 8

This type of force acts between objects all the time and depends on their masses and distance

Accepted Answer

gravitational force

Question 9

Which of the following determines the identity of an element?

Accepted Answer

atomic number

Question 10

The mass number of an element is equivalent to the number of

Accepted Answer

protons and neutrons

Question 11

Isotopes are atoms that have the same number of

Accepted Answer

protons

Question 12

How can you describe the nucleus?

Accepted Answer

dense,positively charged

Question 13

The atomic number of an element is equivalent to the number of

Accepted Answer

Protons OR Electrons

Question 14

Which of the following has no electric charge?

Accepted Answer

neutron

Question 15

Which of the following has a positive charge and is found in the nucleus?

Accepted Answer

proton

Question 16

The discovery of which particle proved that the atom is not indivisible?

Accepted Answer

electron

Question 17

What did Democritus, Dalton, Thomson, Rutherford, and Bohr all have in common?

Accepted Answer

They contributed to the development of the atomic theory.

Question 18

Objects that have the same charge will __________ each other

Accepted Answer

repel

Question 19

How many protons does an atom with an atomic number of 23 and a mass number of 51 have?

Accepted Answer

23

Question 20

If the number of protons and electrons in an atom are not equal, it becomes a(n)

Accepted Answer

ion

Question 21

If an isotope of uranium, uranium-235, has 92 protons, how many protons does uranium-238 have?

Accepted Answer

92

Question 22

Objects that have opposite charges will _________ each other

Accepted Answer

attract

Question 23

The smallest particle into which an element can be divided

Accepted Answer

atom

Question 24

When using a Bohr Model to draw an atom,the first energy level can only hold how many electrons

Accepted Answer

2

Chapter Ten Review

Questions 24

Chapter Ten Review

Questions 24