Which of the following is a physical change?

Which of the follow indicates a chemical change?

Which of the following is an element?

Which of the following is a compound?

Which of the following is a physical property?

Which of the following is a chemical property

It is possible to separate a mixture such as crude oil into varying substances by using physical properties such as density and boiling point.

If a substance contains two or more different elements bonded in a fixed ratio, it is a(an)

Density is....

Which state of matter can be compressed?

A substance that slows down and loses energy/heat is

A substance that speeds up and gains energy/heat is

Which of the following temperature scales is based on the energy of particles, has no negative values, and has an absolute zero where all matter stops moving?

When particles collide with the walls of a container they...

Which of the following would increase the pressure of a system?

Which state of matter has the most kinetic energy?

Which state of matter has the highest bonding strength?

Temperature is a measure of the quantity of thermal (heat) energy a substance has and is NOT a measure of how hot or cold something is.

Which temperature scale is uses the melting and boiling points of water as its basis?

What is the atomic number?

What subatomic particles are found in the nucleus of an atom?

Which subatomic particle has a positive charge?

Which subatomic particle has a negative charge?

Which subatomic particle has a neutral charge?

The sum of the protons and neutrons in an atom is called the

How many protons does Carbon (atomic number of 6) have?

A neutral atom has

Which scientist was the first to propose atoms had a nucleus due to his work with the gold foil experiment?

Which scientist had an atomic theory with a model based on the orbits of planets and proposed that electrons orbited the nucleus on fixed paths with designated energies?

Periodic Law states that the elements are arranged according to their atomic______ so that elements with similar chemical properties are in the same ______ and properties repeat periodically.

A grouping of elements based on similarly chemical properties arranged by columns in the periodic table. Also known as a group.

A row on the periodic table is known as a what?

What are the one or two letters on the periodic table called that represent the name of an element?

Elements with similar properties are most likely located

What is a valence electron?

Which family of elements has 7 valence electrons, is highly reactive, are non-metals and contains elements in all three states of matter in their natural form?

Which family of elements has 8 valence electrons, is very unreactive, are non-metals and are all gases in their natural form?

Which family of elements has only 1 valence electron, is highly reactive with water, are metals and are all solids in their natural form?

How are the number of neutrons calculated?

The masses of elements get smaller as we go down a group and across a period to the right.

The energy required to remove a valence electron gets lower as we go to the left of the periods and down a group.

What type of bond forms when atoms share electrons?

What type of bond forms when atoms transfer or donate electrons?

Why do elements create bonds with one another?

What creates a metallic bond?

How many pairs of electrons are shared in a triple bond?

A covalent bond in which electrons are not shared equally is called a(an)

What is the name of an ion with a negative charge?

What is the name of an ion with a positive charge?

When an atom loses an electron it becomes

When an atom gains an electron it becomes

The starting materials in a chemical reaction are called

The substances listed on the right side of the chemical equation are the

Which of the following are made of more than one atom?

During a chemical reaction, atoms

Which reaction is the breakdown of a molecule and has the general formula: AB—> A + B

Which reaction is the creation of a molecule and has the general formula: A + B —> AB

Which reaction replaces an element with another and has the general formula: AB + C —> AC + B

Which reaction uses ionic compounds to rearrange molecules and has the general formula: AB + CD —> AD + CB

Which reaction starts with a hydrocarbon (fuel) that reacts with oxygen and energy to produce carbon dioxide (CO₂) and water (H₂O)?

Which phrase describes what happens to atoms in a chemical reaction?

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

What does the Law of Conservation of Mass state?

Energy is released when chemical bonds are created.

In a nuclear reaction, what happens when the number of protons in an atom changes?

Which type of nuclear radiation is the release of helium atom?

Which type of nuclear radiation is the release of an electron with no mass number change?

Which type of nuclear radiation is the release of high energy electromagnetic waves with no mass?

Two or more nuclei combine or fuse to form one larger nucleus in the process of nuclear

The splitting of a nucleus into two smaller atoms and also releasing subatomic particles and radiation is the process of nuclear

When nuclei split or fuse, massive amount of ______ is released.

Which of the following has the highest penetrating power? It can penetrate organs and cannot be stopped by several meters of concrete or cm of lead.

Which of the following has the lowest penetrating power? It can burn skin and can cause severe illness if consumed. It can also be stopped by paper.

The time needed for half of a radioactive sample to decay is called its

Which process occurs at a nuclear power plant?

As time passes the amount of radiation produced by radioactive material

One kilogram of Uranium produces as much energy as 17,000 kilograms of coal.

While nuclear fission produces no air pollutants, its waste can be safely released into the environment.

If the technology can be developed, nuclear fusion will create virtually limitless energy with only water as a product using materials found in seawater.

What is the density of a substance that has a mass of 10g and a volume of 5 cm^3?

What is the mass of substance that has a density of 3 g/cm³ and a volume of 5 cm³

Convert 0^º C to degrees Kelvin

Convert 0º C into degrees Fahrenheit.

Convert 273 K into degrees Celsius

At constant temperature a gas has an initial pressure of 5 atm and volume of 2 L. What is the new volume if we increase the pressure to 10 atm?

At constant volume a gas has an initial pressure of 20 atm and temperature of 4º C. What is the new pressure if we increase temperature to 5^º C?

Calculate the atomic number of an element that has a mass number of 20 and has 10 neutrons.

Calculate the mass number of an atom that has 6 protons and 8 neutrons

Calculate the number of neutrons of an element that has a mass number of 40 and has an atomic number of 19

Which equation below is a balanced equation?

Which equation is balanced?

Which of the follow equations are balanced?

What is the molar mass of H₂O?

How many moles are there in 10 grams of CH₄?

How many grams are there in 4 moles of Helium?

Calculate the molar mass of the new element after the alpha decay of Uranium 235.

Calculate the atomic mass of the new element after the alpha decay of Uranium, atomic number 92.

Calculate the atomic number of the new element after the beta decay of Thorium, element 90.

Calculate the mass number after the gamma decay of Radon, mass number 222.