Diatomic Elements Flashcards
a molecule composed of two of the same atom
diatomic element
type of molecule composed of all the same element
homonuclear
type of molecule composed of more than one element
heteronuclear
a group of atoms bonded together
molecule
first diatomic element in our mnemonic
Br
second diatomic element in our mnemonic
I
third diatomic element in our mnemonic
N
fourth diatomic element in our mnemonic
Cl
fifth diatomic element in our mnemonic
H
sixth diatomic element in our mnemonic
O
seventh diatomic element in our mnemonic
F
number of diatomic elements
7
diatomic element with a double bond
O
diatomic element with a triple bond
N
number of atoms in a molecule of a diatomic element
2
number in front of a chemical symbol
coefficient
indicates how many molecules or atoms of each reactant and product are involved in a reaction
coefficient
number after a chemical symbol
subscript
indicates the number of atoms of a particular element that is contained in a molecule
subscript
indicates the ratio of elements in a compound
molecular subscripts
matter cannot be created or destroyed, but can change form
Law of Conservation of Mass
relationship between the mass of the reactants and the mass of the products in a chemical reaction
equal
a substance that takes part in and undergoes change during a chemical reaction
reactant
a substance that forms as the result of a chemical reaction
product
the amount of matter in an object
mass
reason we have to balance chemical equations
Law of Conservation of Mass
