subatomic particles

Which of the following are subatomic particles? (Check all that apply)

• protons

• neutrons

• megatrons

• electrons

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• cybertron

Tags

NGSS.MS-PS1-1

How many protons are in the atom "K"?

• 29

• 19

• 58

• 20

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Tags

NGSS.HS-PS1-2

An atom becomes _________ when it loses electrons.

• Positive

• Negative

• Neutral

• Invinsible

How many electrons does Cu⁴⁺ have?

• 29
• 33
• 25
• 30

Tags

NGSS.MS-PS1-1

What is the atomic number for an element with 41 neutrons and a mass number of 80?

• 39
• 41
• 80
• 121

An element is defined by its number of 

• protons
• electrons
• neutrons
• protons + electrons

How many neutrons are in Copper-64?

• 64
• 35
• 29
• 20

Tags

NGSS.HS-PS1-8

What is the mass number of this atom?

• 7
• 14
• 21
• none of the above

Tags

NGSS.MS-PS1-1