Question 1 (14 points)
Match each definition to the correct vocabulary word.
Column A
1.
Electrons that occupy the highest energy level of an atom.:
Electrons that occupy the highest energy level of an atom.
2.
Horizontal rows on the Periodic table.:
Horizontal rows on the Periodic table.
3.
Vertical columns on the periodic table.:
Vertical columns on the periodic table.
4.
Process by which atoms or one substance are rearranged to form different substances.:
Process by which atoms or one substance are rearranged to form different substances.
5.
Forces that hold atoms together.:
Forces that hold atoms together.
6.
The substances before a chemical reaction occurs.:
The substances before a chemical reaction occurs.
7.
The substances after a chemical reaction occurs.:
The substances after a chemical reaction occurs.
8.
Law of chemistry that states that matter cannot be created or destroyed.:
Law of chemistry that states that matter cannot be created or destroyed.
9.
A value that describes the relative strength with which an atom of an element attracts electrons to itself in a chemical bond.:
A value that describes the relative strength with which an atom of an element attracts electrons to itself in a chemical bond.
10.
A chemical equation in which the number and types of atoms in the reactants are the same as the products.:
A chemical equation in which the number and types of atoms in the reactants are the same as the products.
11.
Notation that represents the elements and their ratios that make up a substance.:
Notation that represents the elements and their ratios that make up a substance.
12.
A number placed in front of a chemical symbol or formula showing how many molecules of the substance are involved in the reaction.
:
A number placed in front of a chemical symbol or formula showing how many molecules of the substance are involved in the reaction.
13.
An atom that has become charged because it has lost or gained electrons.
:
An atom that has become charged because it has lost or gained electrons.
14.
An ion composed of two or more atoms that act as a unit.
:
An ion composed of two or more atoms that act as a unit.
Column B
a.Balanced chemical equation
b.Chemical reaction
c.Chemical bonds
d.Chemical formula
e.Coefficient
f.Electronegativity
g.Valence electrons
h.Law of Conservation of Matter
i.Reactants
j.Periods
k.Polyatomic ion
l.Ion
m.Groups
n.Products
1. g. Valence electrons
2. j. Periods
3. m. Groups
4. b. Chemical reaction
5. c. Chemical bonds
6. i. Reactants
7. n. Products
8. h. Law of Conservation of Matter
9. f. Electronegativity
10. a. Balanced chemical equation
11. d. Chemical formula
12. e. Coefficient
13. l. Ion
14. k. Polyatomic ion