Study guide: temperature

Question 1

freezing point of water in degrees Celsius

Answer 1

0 degrees Celsius

Question 2

melting point of water in degrees Celsius

Answer 2

0 degrees Celsius

Question 3

boiling point of water in degrees Celsius

Answer 3

100 degrees Celsius

Question 4

which state of matter has the most thermal energy:

solid, liquid, or gas?

Answer 4

gas

Question 5

in a phase change graph, what do the diagonal lines represent?

Answer 5

a state of matter staying as it is, but either cooling of heating

Question 6

in a phase change graph, what do the straight lines represent?

Answer 6

a state of matter being changed

Question 7

name of group 18 elements

Answer 7

the noble gases

Question 8

how are families or groups arranged?

Answer 8

up and down; columns

Question 9

how are periods arranged

Answer 9

horizontal rows

Question 10

where are the most reactive metals found?

Answer 10

group 1; alkaline metals

Question 11

the periodic table is arranged in order of _________

Answer 11

increasing atomic number

Question 12

atomic number equals the

Answer 12

number of protons

Question 13

atomic mass equals the

Answer 13

sum of number of protons and neutrons

Question 14

a stable neutral atom has an equal number of __ and __

Answer 14

protons

electrons

Question 15

elements in the same __ have similar __ and __ properties

Answer 15

group (family)
chemical
physical

Question 16

Where on the periodic table would you find an element with properties similar to the properties of calcium?

Answer 16

In group 2 (the same group as calcium)

Question 17

where are protons and neutrons found

Answer 17

nucleus

Question 18

where are electrons founds

Answer 18

electrons

Question 19

how can you tell how many protons are in an atom

Answer 19

count the number of electrons, because the number of protons is the same thing

Question 20

a solution pH below 7 is

Answer 20

acidic

Question 21

A solution with a pH above 7 is

Answer 21

basic

Question 22

A solution with a pH of exactly 7 is

Answer 22

neutral

Question 23

characteristics of acids

Answer 23

sours

Question 24

characteristics of bases

Answer 24

bitter, slippery

Question 25

what is more dangerous a solution with a Ph of 10 or 14?

Answer 25

14, because the more acidic or basic a substance the more dangerous

Question 26

like poles…

Answer 26

repell

Question 27

oppisite poles

Answer 27

attract

Question 28

magnetic field

Answer 28

magnetic force exerted in the region around a magnet