First Assessment 9/16

Question 1

mass and volume are an example of ___________________

Answer 1

extensive

Question 2

a property that depends on the amount of matter in a sample

Answer 2

extensive

Question 3

a property that depends on the type of matter in a sample, not the amount of matter

Answer 3

intensive

Question 4

hardness is an example of _________________

Answer 4

intensive

Question 5

heterogeneous

Answer 5

composed of different kinds, diverse

Question 6

of the same kind; alike

Answer 6

homogeneous

Question 7

accuracy

Answer 7

a measure of how close a measurement comes to the actual or true value of whatever is measured

Question 8

precision

Answer 8

a measure of how close a series of measurements are to one another

Question 9

Metal Elements

Answer 9

elements on the left hand side of the periodic table.

Question 10

Nonmetal Elements

Answer 10

Sulfur, Carbon, Oxygen, Phosphorous, (etc.)

Question 11

Metaloids

Answer 11

Elements that have properties of both metals and nonmetals.

Question 12

groups

Answer 12

vertical columns on the periodic table

Question 13

periods

Answer 13

horizontal rows on the periodic table

Question 14

valence electrons

Answer 14

electrons in the outermost shell

Question 15

Charges of elements

Answer 15

1A – +1 (alkali metals)

2A– +2 (alkaline Earth Metals)

3A– +3

4A– (-2)

5A – (-3)

6A– (-2)

7A– (-1) (Halogens)

8A– no charge (Nobel gases)

Al– +3

Zn– +2

Ag– +1

Question 16

ionic compound

Answer 16

a compound composed of positive and negative ions

Question 17

diatomic molecule

Answer 17

a molecule that consists of two atoms of the same element

Question 18

cation

Answer 18

positive ion

Question 19

anion

Answer 19

negative ion

Question 20

protons

Answer 20

positive charge

Question 21

neutrons

Answer 21

neutral charge

Question 22

electrons

Answer 22

negative charge