ionic bonding

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

• Phosphorus

• Iron

• Barium

• Neon

Which two are ionic compounds?

• NaCl

• HCl

• CH4

• CaO

If you were to draw the lewis dot structure for Germanium (Ge), how many dots would you put around it?

• 2

• 4

• 6

• 8

This type of model shows only the valence electrons of an element? 

• Bohr diagram 
• Childers model
• Lewis-dot diagram 
• What is a valence electron again?

What's the goal of all atoms?

• To find an atom to bond with

• To become an ion

• To have a complete outer shell

• To have the same number of electrons and protons

How many valence electrons does Mg have? (use the PTable)

• 1

• 2

• 3

• 4

• 5

What is the correct formula for Sodium Chloride?

• SCl

• NaCl

• SC

• NaCl₂

An atom with a different number of electrons than it should have (more or less) is called an ---

• isotope

• valence electron

• ion

• octet

The following ionic crystal has 4 Al ions (red) and 6 O ions (blue). What is the formula for this ionic crystal?

• Al₃O₂

• Al₄O₅

• Al₄O₆

• Al₂O₃

What is a cation?

• A negatively charged atom

• A positively charged atom

• A neutrally charged atom

• An atom in a chemical bond