Question 1

Left side of a chemical equation

Accepted Answer

Reactants

Answer

products

Question 2

Right side of a chemical equation

Accepted Answer

Products

Answer

reactants

Question 3

Arrow in an equation means

Accepted Answer

yields

Answer

equals

Answer

nothing

Question 4

Matter Cannot be Created or Destroyed ... So, equations must be balanced

Accepted Answer

Law of Conservation of Mass

Answer

Law of conservation of energy

Answer

Octet rule

Answer

Mrs. D said so

Question 5

What can you change to Balance an Equation?

Accepted Answer

Coefficients

Answer

Nothing

Answer

Subscripts

Question 6

The only number that is not written as a Coefficient or a Subscript is.... (invisible)

Accepted Answer

1

Answer

2

Answer

10+

Question 7

Coefficients tell us the number of ___________ for each formula.

Accepted Answer

whole Molecules

Answer

single atoms

Question 8

Subscripts tell us the number of ___________ for each formula.

Accepted Answer

single Atoms

Answer

whole molecules

Question 9

the symbolic representation of a chemical reaction in the form of symbols and formulas

Accepted Answer

Chemical Equation

Answer

Chemical Formula

Answer

math

Question 10

when both sides of the chemical equation contain the same number of atoms for each element.

Accepted Answer

Balanced

Answer

Unbalanced

Question 11

atom that has a positive or negative charge

Accepted Answer

ion

Answer

compound

Answer

element

Answer

molecule

Question 12

a chemical bond in which one atom loses an electron and the other atom gains electrons to form ions.

Accepted Answer

ionic bond

Answer

covalent bond

Answer

metallic bond

Question 13

bond formed by the sharing of electrons between atoms

Accepted Answer

covalent bond

Answer

metallic bond

Answer

ionic bond

Question 14

A pure substance that cannot be broken down made of the same type of atom.

Accepted Answer

element

Answer

molecule

Answer

compound

Question 15

A substance made up of atoms of two or more different elements joined by chemical bonds

Accepted Answer

compound

Answer

element

Answer

mixture

Question 16

Electrons in the outermost energy level of an atom

Accepted Answer

valence electron

Answer

ions

Question 17

occurs between a metal and a nonmetal

Accepted Answer

ionic bond

Answer

metallic bond

Answer

covalent bond

Question 18

occurs between two nonmetals

Accepted Answer

covalent bond

Answer

ionic bond

Answer

metallic bond

Question 19

a chemical bond in which all atoms loose electrons to create a flowing 'sea of electrons"

Accepted Answer

metallic bond

Answer

covalent bond

Answer

ionic bond

Question 20

a chemical bond between 2 or more metals

Accepted Answer

metallic bond

Answer

covalent bond

Answer

ionic bond

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