Covalent Bonds
Trinitrogen Dioxide
What is N3O2
CaO
What is Calcium Oxide
Reaction that releases energy, often in the form of heat
What is exothermic
Number in front of a chemical formula
What is the coefficient
When balancing a chemical equation, you change the
What is coefficients
What is endothermic
The number the right and below an atomic symbol
What is the subscript
Type of bond that occurs between two nonmetals
What is covalent bond
N3S7
What is Trinitrogen Heptasulfide
Aluminum Iodide
What is AlI3
Change 1. When calcium carbonate forms calcium oxide and carbon dioxide heat is absorbed.
Change 2. Calcium oxide releases heat when shaken with carbon dioxide.
What is (change 1) endothermic; (change 2) is exothermic
C3H8 + O2 => H2O + CO2
The number of oxygen atoms on the product side of the equation
What is 3
States that matter cannot be created or destroyed only changed
What is the Law of Conservation of Mass
NO
What is Nitrogen Monoxide
Barium Nitride
What is Ba3N2
Energy is greater on the product side than it is the reactant side
What is exothermic
Na + O2 => Na2O
What is unbalanced
In a chemical equation the left side of the reaction and the right side are referred to respectively
What is reactants and products
Magnesium Arsenide (As is a nonmetal!)
What is Mg3As2
The process of photosynthesis
What is endothermic
Al + HCl => H2 + AlCl3
Balanced chemical equation
What is
2Al+ 6HCl => 3H2 + 2AlCl3
The ratio of boron to oxygen atoms in boron oxide
What is 2 to 3