1st Semester Final Review

Vinegar and baking soda are mixed, new substances form and beaker became cooler to the touch

A molecule is considered nonpolar when one side of an atom is more negative than the other side

Metals are on the right side of the periodic table.

Substances that CANNOT be broken down chemically into other substances are

All compounds that contain the elements carbon and hydrogen are called

If you have a strong acid and a weak acid, then the

A covalent bond in which electrons are unequally spread around the molecule is

Adding a solute to a solvent will raise the freezing point of the solvent.

What is an indicator?

All the hyrdrocarbons in your diet fall into the following categories:

What type of reaction is FeS + 2HCl à FeCl2 + H2S

Sugar, C6H12O6, is an example of a(n)

A theory is a large body of information that is made up of well-tested, verified hypotheses.

The volume of a gas will decrease as the pressure decreases. (Use Boyle’s Law)

Fusion is the process in which two nuclei combine and make one new nucleus

"Atoms have a nucleus with positive charge with electrons flying aimlessly around the outside"

Titanic : ship :: Hindenburg :

What is the chemical name for the compound with the formula Na2S?

In water, bases form

A mixture is made of two or more substances in the same place but are not chemically combined.

Noticing that sugar tastes sweet is a(n)

Mixing an acid and a base (neutralization) produces

The minimum amount of energy that has to be added to start a reaction is the

pumpkin pie : cool whip :: lemon pie :

Miss M's favorite animal are

The change from liquid to solid, or the reverse of melting, is called

How would a solute affect the boiling point of water?

One example of a physical change is:

In a balloon, when the temperature of a gas increases, the volume of the gas will increase.

The substances listed on the left side of a chemical equation are the

When an atom loses an electron, it becomes a

When sugar is dissolved in water, the sugar is the

A change that produces one or more new substances is called a physical change.

The elements that do NOT form compounds are

As the temperature of a gas decreases, the pressure of the gas will decrease.(Gay-Lussac’s Law)

Which of the following is a balanced chemical equation?

Physical Science is made up of

A material used to slow the rate of a chemical reaction is a(n)

A chemical bond formed when two atoms “share” electrons is called a(n)

A scientific law is a close agreement between experts and is also revisable.

The valence electrons are those electrons in the center of an atom.

A solid is a state of matter that has a(n)

During fission, atomic nuclei of unstable isotopes