Atom and the Periodic Table Summative Assessment Review

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

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

What are the 3 subatomic particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

Parts of the atom that determine the identity of the atom (what kind of atom it is)

• Protons

• Neutrons

• Electrons

Parts of the atom that are the smallest of the three subatomic particles

• Protons

• Neutrons

• Electrons

What part of the atom is the arrow pointing to?

• nucleus
• proton
• electron shell
• electron

Tags

NGSS.MS-PS1-1

If an atom has an equal number of protons and electrons it is a...

• Positive ion
• Negative ion
• Isotope
• Neutral atom

A neutral atom of Helium has 2 p+, 2 n, and 2 e-. The Helium atom pictured is a....

• Positive ion
• Negative ion
• Isotope
• Neutral atom

Tags

NGSS.MS-PS1-1

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

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

NGSS.MS-PS1-5