Atoms

Atoms and Atomic Structure

Multiple Choice

All matter is made of what...

• energy

• atoms

• electrons

• compounds

Multiple Choice

Which subatomic particle has a positive charge?

• Protons

• Neutrons

• Electrons

Multiple Choice

Which subatomic particle has a negative charge?

• Protons

• Neutrons

• Electrons

Multiple Choice

Which subatomic particle has no charge or a neutral charge?

• Protons

• Neutrons

• Electrons

Multiple Select

CHECK ALL THAT APPLY:

The nucleus of an atom is made of what subatomic particle(s)?

• Protons

• Neutrons

• Electrons

Multiple Choice

Which subatomic particle floats around/outside the nucleus?

• Protons

• Neutrons

• Electrons

Multiple Choice

Protons and neutrons is so small, they are assigned a mass of 1 in these units 

• grams
• milligrams
• amu (atomic mass unit)
• mass number

Multiple Choice

The mass of this particle is so small that it is not counted.

• proton
• electron
• neutron
• quark

Multiple Choice

FILL IN THE BLANK:

The atomic number tells us how many _____ there are in the atom.

• Protons

• Neutrons

Multiple Choice

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Choice

What is the atomic number of an element with eight protons?

• 8

• 16

• 4

• 10

Multiple Choice

How many protons are in an atom with an atomic number of 12?

• 12

• 24

• 6

• 13

Multiple Choice

The fluorine atom has an atomic number of

• 19

• 9

Multiple Choice

What is the atomic number of this nucleus?

• 1
• 3
• 4
• 7

Multiple Choice

What is the atomic number?

• 35

• 18

• 17

• 52

Multiple Choice

The term "neutral" means

• having only a little bit of charge
• having a positive charge
• having a negative charge
• having no charge at all

Multiple Choice

Atoms are neutral because they have the same number of

• protons and neutrons
• protons and electrons
• electrons and neutrons

Multiple Choice

How many protons and electrons does this element have?

• 35

• 18

• 17

• 52

Multiple Choice

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Choice

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Multiple Choice

An element has the mass number 12 and atomic number 6. The number of neutrons in it is:

• 6

• 10

• 4

• 8