Ions

What is the charge on a lithium atom that loses 1 electron?

• 1+

• 0

• 1-

• 2-

Is the element shown in this image an ion, isotope or normal atom?

• atom
• isotope
• cation (+ ion)
• anion (- ion)

Tags

NGSS.HS-PS1-1

What is the net charge on the element shown above?

(Calcium - atomic number 20)

• cation 1+ charge

• cation 2+ charge

• anion 1- charge

• anion 2- charge

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What charge does an atom have when it GAINS electrons?

• Positive

• Negative

• Neutral

Mg²⁺is a

• monoatomic cation

• monoatomic anion

• polyatomic anion

• polyatomic cation

Tags

NGSS.HS-PS1-1

How many electrons does this magnesium ion have?

• 24

• 12

• 10

• 14

Tags

NGSS.HS-PS1-1

A neutral atom would become an ion that has a charge of 3+ by

• Losing three protons

• Losing three neutrons

• Losing three electrons

• gaining three electrons

Tags

NGSS.HS-PS1-2

If neutral phosphorous atom (atomic number 15) becomes an ion that has a charge of 3-, how many electrons does the resulting ion have?

• 18

• 12

• 19

Tags

NGSS.HS-PS1-7

Anions are..... charged particles

• Positive

• Negative

• Neutral

• Crying

Tags

NGSS.HS-PS1-3

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

• positive
• negative
• neutral
• polyatomic