Unit 4 In Class Practice

What is the charge and type of ion formed when Li loses an electron?

• Li- / anion

• Li2+ / cation

• Li3- / anion

• Li+ / cation

How many electrons does N gain from other atoms to form N3-?

• 1

• 2

• 3

• 4

What is the charge and type of ion formed when O gains 2 electrons?

• O2+ / cation

• O2- / anion

• O+ / cation

• O- / anion

How many electrons does Ca lose to form Ca2+?

• 4

• 3

• 2

• 1

What is the charge and type of ion formed when Br gains an electron?

• Br+ / cation

• Br- / anion

• Br2+ / cation

• Br2- / anion

How many electrons does S gain from other atoms to form S2-?

• 3

• 4

• 2

• 1

What is the charge and type of ion formed when Cl gains an electron?

• Cl+ / cation

• Cl- / anion

• Cl2+ / cation

• Cl2- / anion

How many electrons does K lose to form K+?

• 2

• 4

• 1

• 3

What is the charge and type of ion formed when Mg loses 2 electrons?

• Mg2- / anion

• Mg- / anion

• Mg2+ / cation

• Mg+ / cation

How many electrons does Be lose to form Be2+?

• 3

• 2

• 4

• 1