Atomic Structure Notes

Atomic Structure Notes

Multiple Choice

Which subatomic particle has a positive (+) charge?

• Neutron

• Proton

• Electron

Multiple Choice

True or False - Protons and Neutrons have about the same mass.

• True - They have about the same mass

• False - They do not have about the same mass

Multiple Choice

Which subatomic particle has a negative (-) charge?

• Proton

• Electron

• Neutron

Multiple Choice

Which subatomic particle has a neutral or no charge?

• Proton

• Electron

• Neutron

Multiple Choice

Where are the Electrons found in the structure of an atom?

• In the nucleus

• In spaces around the nucleus

Multiple Choice

Which two subatomic particles make up the nucleus of an atom?

• Protons and Electrons

• Neutrons and Electrons

• Electrons and Protons

• Protons and Neutrons

Multiple Choice

What is the atomic number?

• the number of protons or electrons

• the number of neutrons

• the number of protons and neutrons

Multiple Choice

What is the atomic number of this atom?

• 1

• 3

• 4

• 7

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

Which subatomic particle tells the identity of an element?

• Electron

• Proton

• Neutron

• Nucleus

Multiple Choice

Which 3 things are always equal in a neutral atom?

• Electrons, protons, and neutrons

• Atomic number, protons, electrons

• Mass number, atomic number, protons

• Atomic number, neutrons, electrons

Multiple Choice

What is the Atomic number for Oxygen, O?

• 2

• 5

• 14

• 8

Multiple Choice

How many protons does Oxygen, O, have?

• 8

• 5

• 14

• 2

Multiple Choice

How many protons are in this element?

• 12

• 8

• 7

• 6

Multiple Choice

How many electrons are in this element?

• 39

• 19

• 20

• 21