The building blocks of matter

A pure substance that cannot be broken down

A compound in which the atoms are held together by covalent bonds

A pure substance formed when two or more different elements combine

Which letter shows an electron?

Which letter shows an Proton?

If a carbon atom has 6 protons and an atomic weight of 13 how many neutrons will it have

Isotopes that give off radiation are called radioactive isotopes

In chemical reactions, matter cannot be created or destroyed

The force that holds substances together

Attractions between molecules

An electrical attraction between two oppositely charged atoms

The chemical bond that forms when electrons are shared

The process by which atoms or groups of atoms in substances are reorganized into different substances

The minimum amount of energy needed for reactants to form products

A substance that lowers the activation energy needed to start a chemical reaction

Reactions that release energy in the form of heat

Reactions that absorb energy in the form of heat

A chemical reaction that requires a beaker to be heated

Biological catalysts that speed up the rate of chemical reactions

The specific location where a substrate binds

The reactants that bind to an enzyme

If a Chemical Reaction has 5 atoms of Oxygen and 10 atoms of Hydrogen as it's products how many H20 molecules will it be able to make?

If a Chemical Reaction has 5 atoms of Oxygen and 10 atoms of Hydrogen as it's products how many Hydrogen atoms will it have in it's reactants ?

Gold (Au) is ...

Water (H20) is ...

Carbon Dioxide (CO2) is ...

(Salt Water) H20 + NaCl is ...

Neon (Ne) is ...

Table Salt (NaCl) is ...

If Helium has an atomic number of 2 how many protons will it have?

If Gold has an atomic number of 79 how many protons will it have?

If a neutrally charged Oxygen (atomic number is 8) atom has an atomic number of 8 how many electrons will it have?