it is located at the center of the atom

Carbons atomic # is 6 how many protons?

The number of protons in the necleous of an element is known as what

Bonds Formation involves the electron that sourand each what

these are proteins that act as biological catalyst

negatively charged partical

calcium atomic # is 20 it has 20 protons how many electrons?

Atoms i nthe same element that differ in the number of nuetrons they contain are known as what

the bonds that are available to formbonds are called what

A substance that speeds up the rate of a chemical reaction is know as

a pure substance that consists of one type of atom

the atoms in compounds are held together by

the total number of protons and neutrons the neculus of an atom

this is formed when one or more electons are transfored from one atom to another

the energy that is needed to get a reaction started is commenly known as

formed when one or more electrons are transferred from one atom to another

the 3 subatomic particles that mak up atoms

what is identified by its mass number

positively and Negitively charged atoms are known as

the elements or compounds produced by a chemical reaction are known as

Smallest unit of most componds

this is formed when protons and neutrons blind together

the weighted average of the masses of an elements isotopes is called

moving electrons that travel about the necleus of both atoms form a what?

the elements or compounding that enter into a chemical reactions are known as