Ionic Bonding and Salts

Which of the following could NOT form an ionic compound? Check all that apply.

• Li⁺ and Cl^-

• F^- and O^2-

• Ba²⁺ and Ag⁺

• Mg²⁺ and S^2-

Which of the following could form an ionic compound? Check all that apply.

• Na⁺ and F^-

• S^2- and O^2-

• Ca²⁺ and Fe³⁺

• Mg²⁺ and Cl^-

In an ionic bond, the ions are held together because...

• the positive nucleus of each ion attracts the other ion's negatively charged electrons

• the ions have opposite charges

• as the electron moved from one atom to another it pulled the atom along with it

• electrons are being shared

Which element(s) will lose valence electrons to form an ion? Check all that apply.

• Phosphorus

• Iron

• Barium

• Neon

Which element(s) will form negative ions? Check all that apply.

• Potassium

• Sulfur

• Iodine

• Magnesium

Which of the following pairs of elements could NOT react to form an ionic compound?

• Carbon and Oxygen

• Potassium and Fluorine

• Silver and Oxygen

• Aluminum and Chlorine

Calcium Fluoride has a chemical formula of CaF₂. What does the chemical formula tell you?

• There are 2 Calcium ions for every 1 Fluoride ion in the crystal

• There is 1 Calcium ion for every 2 Fluoride ions in the crystal

How many VALENCE ELECTRONS does Chlorine have?

• 2

• 7

• 8

• 10

• 17

Ionic bonds typically form between

• A metal and a nonmetal

• Two nonmetals

• Two metals

• A metalloid and a metal

Cations _______ electrons, becoming _______ charged.

• Gain; positively (+)

• Gain; negatively (-)

• Lose; positively (+)

• Lose; negatively (-)