Semester 1 Final Review H

Match the following

• How 2 bonding electrons are shown in a dot diagram

• Ionic Bond

• 2 electrons not shared by atoms in a covalent compound

• Lone Pair

• Formed between two nonmetals

• Covalent Bond

• Formed between metal and nonmetal

• Dots

• How lone pair electrons are shown in a dot diagram

• Line

This could be the dot diagram of 

• Ne
• Si
• Al
• Be

Tags

NGSS.HS-PS1-1

This could be the dot diagram of

• Ca

• Cl

• C

• S

Tags

NGSS.HS-PS1-1

How many valence electrons are most stable for an element in a compound (except hydrogen)?

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons complete the valence shell for a Hydrogen atom

Match the following descriptions with the type of charges they describe.

• Anions have

• only negative charges

• Non-polar molecules have

• no charges.

• Polar molecules have

• slight positive and negative charges on opposite ends of the molecules.

• Cations have

• only positive charges.

(a)   is a diatomic molecule.

• Cl
• He
• P
• C

Which of the following is NOT a diatomic molecule?

• Br₂

• O₂

• I₂

• Ne₂

What two types of atoms make a covalent bond?

• 2 non-metals

• 1 metal and 1 non-metal

• 2 metals

What type of bond involves the sharing of electrons between atoms?

• covalent bond

• ionic bond

• metallic bond

• transfer bond