Section 3.1 Review

Question 1

This person was the first to propose the atom

Accepted Answer

Democritus

Question 2

How many electrons does oxygen have?

Accepted Answer

8

Question 3

What is the atomic mass of Neon

Accepted Answer

20

Question 4

How many protons does Sodium have?

Accepted Answer

11

Question 5

The atomic number of a neutral atom represents

Accepted Answer

protons and electrons

Question 6

This person calculated energy levels around the nucleus

Accepted Answer

Bohr

Question 7

What particles are found in the nucleus

Accepted Answer

protons and neutrons

Question 8

How many protons are in Boron?

Accepted Answer

5

Question 9

This person thought atoms were like a "marble" and could not be divided

Accepted Answer

Dalton

Question 10

This theory compared the atom to "Plum pudding"

Accepted Answer

Thomson

Question 11

This person discovered the nucleus

Accepted Answer

Rutherford

Question 12

Where are the electrons located in the atom?

Accepted Answer

in the electron cloud

Question 13

The mass of the atom is composed of

Accepted Answer

protons and neutrons

Question 14

What is the charge of the electron

Accepted Answer

negative

Questions 14