Unit 2

Question 1

How to write APA

Answer 1

Author last name and initial, year, sentence style title, publisher, location

Question 2

Patterns in the periodic table

Answer 2

each column has the same amount of valence electrons. each row has the same amounts or rings

Question 3

Parts of the atom and their charges

Answer 3

proton=positive, Neutron= neutral electron= negative

Question 4

what the numbers mean on an element square

Answer 4

atomic # on top, middle is the element sign, bottom is the mass

Question 5

how many electrons fit in the first three energy levels

Answer 5

2, 8, 8

Question 6

how to know the amount of valence electrons

Answer 6

column

Question 7

period

Answer 7

horizontal

Question 8

family

Answer 8

vertical columns

Question 9

atom

Answer 9

one particle of an element

Question 10

element

Answer 10

multiple particles of the same atom

Question 11

mass number

Answer 11

neutrons-protons

Question 12

nucleus

Answer 12

center of the atom with protons and neutrons

Question 13

metal nonmetal and metalloid

Answer 13

left most, right most, middle

Question 14

land ice

Answer 14

glaciers and things on land

Question 15

sea ice

Answer 15

icebergs

Question 16

does it contribute to sea level change

Answer 16

land ice does and sea ice does not

Question 17

high heat capacity

Answer 17

water has a high resistance to heat because it takes a high amount for the molecules to begin to separate

Question 18

cohesion

Answer 18

same substance

Question 19

adhesion

Answer 19

different substances

Question 20

universal solvent

Answer 20

water can dissolves multiple things

Question 21

density in different states of matter (water)

Answer 21

ice is less dense than water