What is a compound?

• A substance made up of only one element

• A substance made up of two or more elements combined together physically

• A substance made up of two or more elements combined together chemically

• A substance that cannot be broken down into simpler substances

The _____ ____ states that when bonding occurs, atoms tend to reach an electron arrangement with eight electrons in the outermost energy level.

What is an ion?

• A neutral atom with no charge

• A charged atom or a group of atoms

• An atom with an equal number of protons and neutrons

• A particle with no mass

An ​ (a)   bond is the force of attraction between oppositely charged ions in a compound.Ionic bonds are always formed from the complete transfer of (b)   from one atom to another.

• ionic
• electrons
• covalent
• protons

What is a transition metal?

• A metal that forms at least one ion with a partially filled D sublevel

• A metal that forms only one stable ion

• A non-metal that forms ions with a full D sublevel

• A metal that does not form any ions

A ________ is a group of atoms joined together. It is the smallest article of an element or compound that can exist independently.  

How is a sigma bond formed?

• By the side-by-side overlap of two orbitals

• By the head-on overlap of two orbitals

• By the interaction of two lone pairs of electrons

• By the sharing of electrons between non-metal atoms

A ​ (a)   is formed from the ​ (b)   overlap of P orbitals.

• pi bond
• sideways
• sigma bond
• head on