Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


Nuclear Fusion

Nuclei with smaller masses that combine to form one nucleus with a larger mass.


Organic compound that contains many carbon-hydrogen bonds but few carbon-oxygen bonds.


Tastes sour and turns blue litmus paper pink, pH is less than 7.


Substance shown on the right side of a chemical equation.


Body's main energy source, especially in respiration. Sugar is an example.

Nuclear Fission

Splitting nucleus into smaller pieces.


pH value is greater than 7, tastes bitter, turns litmus paper blue, and may be slippery.


Substance that's present before a chemical reaction starts.


Amino acids are combined to make a larger molecule.


A substance that changes color as pH of solution changes.

Alkali metal

Element in the far left column of the periodic table.

Chain reaction

Process in which the products keep the process going.

Chemical bond

Force that holds two atoms together.

Chemical Reaction

Process in which a substance is transformed into a new substance.


Process that releases energy and there is an increase in temperature.


Process that produces water and salt.

Noble gas

Element in the far right column of the periodic table.


A synthetic organic compound.


Alpha particles, beta particles, and gamma rays.


Natural organic compound.


Protons are a different number than the neutrons.

Chemical reaction examples

Change in color, formation of gas, heat.


Needs constant energy to continue, usually a decrease in temperature.


Natural substances or formed from two natural substances.

Balanced equation

Equal numbers of atoms on both sides of the equation.

Organic compounds

Contain carbon and most of the time they contain hydrogen and oxygen too.


Substance made from carbon.

Synthesis reaction

New compound formed when added together.

Replacement reaction

Compound formed put atoms in different order.

Decomposition reaction

Simpler substances are formed.

Alkaline Earth Metals

Light and soft metals like calcium and magnesium.

Alkali Metals

Soft and extremely reactive like sodium, lithium and potassium.

Transition Metals

Hard and shiny metals like copper, iron, gold, nickel and zinc.


Conducts Electricity when dissolved in water.

Radioactive tracers

Used to detect cancer tumors.


Silicon, boron and arsenic. Have properties similar to metals and nonmetals.

Nobel gases

Do not react naturally with other elements, like argon, neon and xenon.

Physical change

Substance does not change chemically, like sugar water, cutting hair, making trail mix.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording