Ions

Calcium atoms want to form...

• an anion
• a cation
• an onion

Cations are...

• Positive
• Negative
• Neutral
• Purring

Tags

NGSS.HS-PS1-2

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which particles change the charge in atoms when ions are formed?

• Protons
• Electrons
• Neutrons

What will nitrogen's charge be as an ion?

• +3
• -3
• 0
• -1

K+1 will do which of the following ?

• Lose 1 electron to form an ion

• Lose 2 electrons to form an ion

• Gain 1 electron to form an ion

• Gain 2 electrons to form an ion

What happens when an atom gains an electron?

• It becomes Negatively Charged
• It remains neutral because the proton also leaves.
• It becomes Positively Charged
• It stays the same.

How many electrons does O^-2 have?

• 8

• 10

• 6

• 18

How many electrons does Na⁺¹ (sodium ion) have?

• 10
• 11
• 12
• 22

Match each definition with the correct term

• Isotope

• A negatively charged atom

• Ion

• An atom that has lost or gained an electron

• Anion

• A positively charged atom

• Cation

• An atom of an element with a different amount of neutrons