Physical Science - The Atom Quiz

Question 1

The horizontal periods on the periodic table represent

Accepted Answer

The number of energy levels in the atom

Question 2

How many electrons does the following model have

Accepted Answer

8

Question 3

Protons are.........

Accepted Answer

Positive

Question 4

Roman numerals represent

Accepted Answer

The number of electrons in the outer energy level

Question 5

1st energy level holds up to

Accepted Answer

2 electrons

Question 6

Electrons are found

Accepted Answer

orbiting the nucleus

Question 7

Bohr devised a model to represent

Accepted Answer

the atom

Question 8

What is the charge assigned to the electrons?

Accepted Answer

none of the above

Question 9

The number of protons is represented by

Accepted Answer

atomic number

Question 10

The basic building blocks of all substances are known as

Accepted Answer

elements

Question 11

The atomic mass of carbon(atomic number 6) is 12.How many neutrons does it have?

Accepted Answer

6

Question 12

The number of neutrons in an atom can be calculated by

Accepted Answer

atomic mass - atomic number

Question 13

Each element can be identified by

Accepted Answer

The number of protons

Question 14

The horizontal rows of the periodic table are known as

Accepted Answer

periods

Question 15

How many protons does this element have

Accepted Answer

6

Question 16

Sodium has 11 protons. What is its symbol?

Accepted Answer

Na

Question 17

Where are the protons located?

Accepted Answer

Nucleus

Question 18

How many subatomic particles does the atom have?

Accepted Answer

3

Question 19

What are most atoms made of?

Accepted Answer

electrons, protons and neutrons

Question 20

3rd energy level holds up to

Accepted Answer

18 electrons

Questions 20