Atoms 5th

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

Tags

NGSS.HS-PS1-8

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

The particles with no charge in an atom are the _______.

• electrons
• neutrons
• protons
• protons and neutrons

Tags

NGSS.MS-PS1-1

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

Tags

NGSS.MS-PS1-1

A neutron has this charge

• negative
• positive
• neutral

The first energy level can hold up to how many electrons?

• 8
• 4
• 2
• 5

Tags

NGSS.MS-PS1-1

What is the mass of a neutron?

• less than 1 amu
• 1 amu
• more than 1 amu
• 1 gram

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

Tags

NGSS.MS-PS1-1

What is the atomic mass of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

What number indicates the nucleus?

• 1
• 2
• 3
• 4