Atomic Structure Quiz

What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

Tags

NGSS.MS-PS1-1

What subatomic particle is electrically neutral (no charge)?

• Proton
• Ion
• Neutron
• Electron

Tags

NGSS.MS-PS1-1

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons
• Protons only
• Protons and Electrons
• Protons and Neutrons

Tags

NGSS.MS-PS1-1

What subatomic particle(s) would be found orbiting the nucleus?

• Neutrons only
• Electrons only
• Protons and Neutrons
• Protons and Electrons

Tags

NGSS.MS-PS1-1

Which is the best definition of an atom?

• The smallest unit of a substance that maintains its properties.

• The smallest unit of an element that maintains its properties.

• A substance that cannot be broken down in to simpler substances.

• Any sample that has definite chemical and physical properties.

The [electric] charge of a proton is

• -2

• 0

• +1

• -1

What information can you get from the atomic number of an element?

• The number of protons.

• The number of neutrons.

• the number of particles in the nucleus.

• the number of electrons only.

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

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

What is the atomic number of Barium, Ba? (enlarge the periodic table)

• 20

• 38

• 56

• 88

Tags

NGSS.MS-PS1-1