Subatomic Particles

How many protons are in Zirconium (Zr) ?

• 40
• 91
• 30
• 65

Tags

NGSS.MS-PS1-1

What is the atomic mass of Copper?

• 63
• 29
• 34
• 92

Tags

NGSS.MS-PS1-1

How many electrons does Cu⁴⁺ have?

• 29
• 33
• 25
• 30

Tags

NGSS.MS-PS1-1

How many electrons does S^2- have?

• 16
• 18
• 14
• 12

Tags

NGSS.MS-PS1-1

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

Tags

NGSS.HS-PS1-8

A neutron has a charge of

• +2
• No charge
• -1
• +1

What does the atomic mass tell you?

• Basically,the number of electrons and protons
• The number of neutrons
• Basically, the number of protons and neutrons
• The number of protons.

An element's identity is determined by the number of

• electrons.
• protons.
• neutrons.
• valence.

Elements can have the same number of protons?

• True
• False

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2