EOC review - Chemistry!

A molecule that is positively charged on one end and negatively charged on the other end is

Horizontal rows on the periodic table are called

A(n) ____ is a substance that produces H⁺ ions in a water solution.

The idea that matter is made up of small particles that are in constant motion is

When a log burns on a fire,

The elements that make up a compound and the exact number of atoms of each is shown in a

Neutrons released in a fission reaction can strike other nuclei and cause

Both a fusion reaction and a fission reaction

The type of radioactive particle that can be stopped by a sheet of paper is the

In a chemical formula, the number of each type of atom in the compound is shown by a(n)

Each substance to the right of the arrow in a chemical equation is a(n)

At room temperature, most metals are

Most matter _______ when heated.

Which of the following will speed up the dissolving of a solid solute in water?

Hydrogen is grouped with the Alkali metals because it

This law states that matter can not be created or destroyed.

The oxidation number of an atom is shown with a

A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is

This states that if the temperature of a gas is constant, decreasing volume increases pressure.

The _____ tells you how many electrons an atom must gain, lose, or share to form stable bonds.

A chemical bond that occurs when atoms share electrons is a(n)

The process by which solid iodine particles change directly to gas without becoming a liquid is

Why do noble gases NOT form compounds readily?

A family of elements that contains the most reactive metals is the

The particles that make up a solid move _______ than do the particles that make up a gas.

Metals can be used as wire because they are

The Noble gases are in

Which of these is most likely to be produced during a nuclear fusion reaction in the sun?

The appearance of solid metals can be described as

The three types of nuclear radiation in increasing order of penetrating power are

This many electrons are needed in the outer energy level of most atoms to be chemically stable.

Atoms of the same element with different numbers of neutrons are called

The shape of an apple is a

Matter that has a definite volume and a definite shape is a

A ____ is a compound formed in solution from the anion of an acid and the cation of a base.

Matter in which the particles are free to move in all directions until they have spread evenly

When one element replaces another element in a compound, the reaction is a ____ reaction.

To neutralize gastric juices in your stomach, antacids contain

Substances that conduct an electric current only under certain conditions are most likely to be

What is the name of the compound with the formula NaCl?

What is the correct formula for magnesium oxide?

Numbers that precede symbols and formulas in a chemical equation are