Chemistry Test Vocab

Question 1

Shows the number of molecules

Answer 1

Coefficient

Question 2

The number of atoms of an element in one molecule

Answer 2

Subscript

Question 3

Straight bond involving two atoms and two electrons

Answer 3

Single Bond

Question 4

Curved bond involving two atoms and four electrons

Answer 4

Double Bond

Question 5

Curvedbond involving two atoms and six electrons (only three atoms are able to make this bond)

Answer 5

Triple Bond

Question 6

oppositely charged atoms attracted to each other (USUALLY involves a metal and a nonmetal)

Answer 6

Ionic Bond

Question 7

Sharing of electrons between a nonmetal and a nonmetal

Answer 7

Covalent Bond

Question 8

Columns of the periodic table

Answer 8

Groups

Question 9

Rows of the periodic table

Answer 9

Periods

Question 10

Group 1A in the periodic table contains these

Answer 10

Alkali Metals

Question 11

Group 2A in the periodic table contains these

Answer 11

Alkaline Earth Metals

Question 12

Group 7A in the periodic table contains these

Answer 12

Halogens

Question 13

Group 8A in the periodic table contains these

Answer 13

Noble Gases

Question 14

He published the first periodic table

Answer 14

Dmitri Mendeleev

Question 15

The force that keeps the nucleus together

Answer 15

Strong Force

Question 16

Energy levels where the electrons are found

Answer 16

Electron Clouds

Question 17

The number of protons and electrons in an element

Answer 17

Atomic Number

Question 18

The mass of an atom

Answer 18

Atomic Mass

Question 19

A pure substance in which all of the atoms have the same atomic number, or number of protons

Answer 19

Element