How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
Chapter 10 - Chemistry
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.
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.
Element in the far left column of the periodic table.
Process in which the products keep the process going.
Force that holds two atoms together.
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.
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.
Equal numbers of atoms on both sides of the equation.
Contain carbon and most of the time they contain hydrogen and oxygen too.
Substance made from carbon.
New compound formed when added together.
Compound formed put atoms in different order.
Simpler substances are formed.
Alkaline Earth Metals
Light and soft metals like calcium and magnesium.
Soft and extremely reactive like sodium, lithium and potassium.
Hard and shiny metals like copper, iron, gold, nickel and zinc.
Conducts Electricity when dissolved in water.
Used to detect cancer tumors.
Silicon, boron and arsenic. Have properties similar to metals and nonmetals.
Do not react naturally with other elements, like argon, neon and xenon.
Substance does not change chemically, like sugar water, cutting hair, making trail mix.