Unit 2 Test Review

Which group on the periodic table is nonreactive because they have a full outer shell?

• halogens

• noble gases

• transition metals

• alkali metals

• covalent

• ionic

• metallic

This image could represent the Lewis Dot Diagram for which element?

• O

• Mg

• K

• F

Which particle is most directly involved in bonding?

• protons

• neutrons

• valence electrons

Which is the correct formula for dioxygen tetrafluoride?

What types of elements create covalent bonds?

• metals

• nonmetals

• meteoroids

What information does a chemical formula give you about each element in the compound?

• the number of protons of each element

• its charge

• the number of valance electrons

• the number of atoms of each element

Which is a property of covalent bonds?

• LOW melting points

• HIGH melting points

• brittle

• conducts electricity when dissolved in water

What would be the chemical formula an ionic bond between Mg and Cl?

This could be the Bohr model for which element?

• magnesium

• oxygen

• carbon

• fluorine