Topic 1 Review

Polar molecules have an even distribution of charge.

• TRUE

• FALSE

A molecule of water is nonpolar.

• TRUE

• FALSE

Electrons have a negative charge.

• TRUE

• FALSE

Nonpolar molecules have an even distribution of charge.

• TRUE

• FALSE

Polar molecules have a positive end and a negative end due to unequal sharing of electrons.

• TRUE

• FALSE

What is the definition of substance?

• Matter that is always made up of the same composition of atoms.

• A group of atoms bonded together.

• Molecules that are physically blended but not chemically bonded together.

• A heterogeneous mixture.

Which of the following is an example of a substance?

• Spaghetti

• Water

• Cake

• Detergent

Which of the following are substances? (Select all that apply).

• Elements

• Compounds

• Mixtures

What is another name for solution?

• Heterogeneous mixture

• Burger King

• Homogeneous mixture

• Solvent

If the solvent is liquid, the state of the solution is ________.

• solid, liquid, or gas

• gas

• liquid

• solid