Atoms Review

All matter is made of what

• energy

• atoms

• electrons

• compounds

Tags

NGSS.MS-PS1-1

The positive subatomic particles of an atom are --

• electrons

• positrons

• neutrons

• protons

Particles in an atom that are neutral and have no charge are

• negatrons

• electrons

• neutrons

• protons

The region of an atom where its neutrons and protons is called---

• nucleus

• electron cloud

• core

• center

An atom with atomic number 6 would have how many protons ??

• 6

• 12

• 3

• cannot be determined

What particle uniquely identifies an element?

• Number of Valence Electrons
• Number of Protons
• Number of Electrons
• Atomic Mass

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6

The subatomic particle that orbits around the nucleus is a(n)...

• Proton

• Neutron

• Electron

• Quark

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 number of protons that the element in this image contain?

• 14

• 7

• 15

• 18