Ions

How many electrons are found in the following ion?

• 3

• 7

• 10

• 14

Tags

NGSS.HS-PS1-1

How many protons are in an atom with an atomic number of 20, an atomic mass of 45, and a charge of +2?

• 20
• 10
• 2
• 18

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

Tags

NGSS.HS-PS1-1

An atom becomes _______ when it loses electrons.

• Positive
• Negative
• Neutral
• Invinsible

An element has 56 protons and 54 electrons. What would be the overall charge of this element?

• +56

• -2

• -54

• +2

An element has 32 protons and 36 electrons. What is the overall charge of this element?

• -2

• -4

• +2

• +4