What is the primary goal of atoms when they react to form compounds?

• To become radioactive

• To decrease their atomic mass

• To achieve the electron configuration of a noble gas

• To increase their atomic number

In ionic bonding, what happens to the electrons?

• They are transferred from non-metals to metals

• They remain in their original atoms

• They are shared equally between atoms

• They are transferred from metals to non-metals

What charge does a sodium ion have after losing an electron?

• Neutral

• Positive two

• Negative one

• Positive one

What is the result of the electrostatic forces between positive and negative ions?

• They repel each other

• They form a covalent bond

• They attract each other

• They become neutral

Which noble gas has the same electron configuration as the ions formed from magnesium and oxygen?

• Neon

• Krypton

• Argon

• Helium