Reactions
A new substance produced in a chemical reaction
What is a product?
New substance produced in a chemical reaction
What is a product?
Most abundant element in the universe
What is hydrogen?
Dihydrogen monoxide
What is water or H20?
What is a covalent bond?
Products can never be turned back into reactants
What is an irreversible reaction?
Substance present at the beginning of the chemical reaction
What is the reactant?
Ag
What is silver?
NH3
What is ammonia?
A chemical reaction that takes in heat
Under right conditions, products can be turned back into reactants.
What is a reversible reaction?
The tendency of a substance to react with other substances
What is reactivity?
Plumbum
What is Lead?
The meaning of OIL RIG
What is "oxidation is lost, reduction is gained"?
Occurs when the electrons from the outer shell of a metal atom float around in a sea of electrons from other metals atoms
What is metallic bonding?
A substance which speeds up a chemical reaction without being changed
What is a catalyst?
An electron on the outer shell of an atom that is used in the forming of a bond
What is a valency electron?
Most stable group, do not form bonds
What are the noble gases?
Ferrous Iron plus hydrogen peroxide leads to these three substances
One atom loses and electron and one gains
What is an ionic bond?
A reaction that primarily involves the transfer of electrons between substances
What is a redox reaction?
Primarily involves the transfer of electrons between two substances.
What is redox reaction?
Hydragyrum
What is Mercury?
CO2 + H2O <====> ?????
What is H2CO3?
Bond between polar molecules that have a hydrogen and a lone pair of electrons
What is a hydrogen bond?