Chemistry Review

A synthesis reaction is a reaction between at least two compounds in which 

The name for the compound with the formula Fe₂O₃ would be written as

A material that can be represented by a chemical formula is

Which type of graph best shows data that are parts of a whole?

In the compound SnO₂, tin has a charge of

Group 16 elements form

Fusion produces _____ nuclei.

During fission, some of the nuclear mass is converted into

Lead has a density of 11.3 g/cm³ and a mass of 300.5 g. What is its volume?

Technology can best be defined as

Valence electrons determine an atom’s

When dissolved in water, all acids will

A type of reaction that produces an increase in temperature is

What happens in a chemical reaction?

The chemical formula for an ionic compound of Sodium and sulfur is

Which of the following elements is an alkaline earth metal?

How many atoms are in a single molecule of AlCl₃?

Which state of matter will hold its shape without a container?

A release of energy is a sign that

Which of the following is equal to 5,800,000,000 cm?

An ionic compound of Lithium and bromine would be named

An ionic bond is a bond that forms between

The SI unit for measuring temperature is the

A chemical equation is balanced by changing or adding

What is an atom’s nucleus made of?

The law of conservation of mass states that mass cannot be

A chemical property of copper is its

The anion formed from an oxygen atom is called a(n)

In a balanced chemical reaction, the total mass of the products always equals the

Which of the following occurs in an endothermic reaction but not in an exothermic reaction?

Physical Science studies both...

Which graph best shows a change in data over time?

Most elements are

A precise measurement is one that

Which of the following causes a chemical change?

Loose sugar dissolves much faster than a sugar cube because loose sugar

Which of the following is a compound?

A base forms which ions in solution?

Accuracy is judged by

The oxidation number of an atom is shown with a ____.

The different substances in a mixture

Alpha particles

The substance that is formed in a chemical reaction is called the

Which of these properties is shared by solids, liquids, and gases?

Which states of matter can form solutions?

FeO is named iron (II) oxide because it contains

When methane reacts with abundant amounts of oxygen, the products are

A molecule of water (H₂O) is made from _____ combining two hydrogen atoms and one oxygen atom.

.          The smallest unit of an element that maintains the properties of that element is a(n)

The kinetic theory states that the higher the temperature, the faster the

Uranium-238 undergoes alpha decay, what are the products

Atoms that gain or lose electrons are called

The label on a bottle indicates that the substance inside has a pH of 13. This tells you that the substance is

Most scientific questions are developed from

The chemical formula for an ionic compound of calcium and flourine is

You can make a solute dissolve more quickly in a solvent by

Which tool is best for separating a mixture of sand and water?

Which of the following results in a mixture?

What is the mass number of an element that has 21 protons, 21 electrons, and 22 neutrons?

What coefficient is missing in CH₄ + (?)O₂ --> CO₂ + 2H₂O?

Identify the salt that would form from the neutralization reaction of hydrochloric acid, HCl, with calcium hydroxide,

All organic compounds must contain the element

Protactinium-234 undergoes beta decay, what are the products

Which of the following represents a double-displacement reaction between sodium chloride and silver fluoride?