Atoms
Bonds
Water
Organic Compounds
Energy & Chemical Reactions
100

Positively charged subatomic particles present in the nucleus of atoms.

What are Protons?

100

A type of interaction (like a bond) between molecules that causes many of the unusual properties of water.

What are Hydrogen Bonds?

100

Water molecules are attracted to other substances.

What is Adhesion?

100

A type of organic compound that contains monosaccharides such as glucose.

What are Carbohydrates?

100

An organic compound, usually a protein, that acts as a biological catalyst

What is an Enzyme?

200

One of the three basic subatomic particles that has such a small mass that it is not considered significant when calculating the mass of an atom.

What are Electrons?

200

A type of chemical bond where atoms share electrons 

What are Covalent Bonds?

200

Water molecules are attracted to other water molecules.

What is cohesion?

200

A nucleic acid monomer that stores energy

What is ATP?

200

Catalysts lower this to increase the speed of chemical reactions

What is Activation Energy?

300

A biological substance made of joined atoms of two or more different elements that include carbon-hydrogen bonds.

What are Organic Compounds?

300

A type of chemical bond where electrons are transferred between atoms and the resulting charges cause bonds to form between them

What are Ionic Bonds?

300

Water molecules can climb up trees.

What is Capillary Action?

300

A type of organic compound that contain amino acids 

What are Proteins?

300

The reactant(s) in the following chemical reaction: 2H2O2 --> O2 + 2H2O

What is H2O2?

400

A substance made of a group of atoms, where the electrons in the bonds are shared evenly between the atoms.

What are Non-Polar Molecules?

400

A neutral Calcium atom has this many valence electrons. Calcium has 20 protons.

What has 2 valence electrons?

400

The property of water which causes ice to float on water.

What is Expansion?

400

A double strand of nucleotide polymers that contains genetic information.

What is DNA?

400

This happens to energy during chemical reactions

What is getting released and/or absorbed?

500

Atoms of the same element that have different number of neutrons. For example, C-14 and C-12.

What are Isotopes?

500

Magnesium (Mg) has 12 protons; Chlorine (Cl) has 17 protons. Can Mg and Cl form an ionic bond together?

YES (MgCl2)

500

A substance which, when dissolved in water, causes the resulting aqueous solution to have a pH of less than 7.

What is an Acid?

500

A molecule that makes up the cell membrane and contain both a hydrophobic side and a hydrophilic side

What are phospholipids?

500

The substance that binds to the active site of an enzyme and goes through a chemical reaction

What is a Reactant (Substrate)?