states of matter

Question 1

solid to a liquid

Answer 1

melting

Question 2

liquid to solid

Answer 2

freezing

Question 3

solid to gas

Answer 3

sublimation

Question 4

gas to solid

Answer 4

depostion

Question 5

gas to liquid

Answer 5

condensation

Question 6

liquid to gas

Answer 6

evaporation

Question 7

what does MSDS stand for

Answer 7

martial data safety sheet

Question 8

what are some physical properties

Answer 8

physical density color hardness

Question 9

what are some what are some chemical properties

Answer 9

ph reactiveness combutionabilty

Question 10

how can you further categorize pure substance and mixture

Answer 10

pure substance into element and compound then mixture into homogenous and hetrogenus

Question 11

how did mendeleev classify elements

Answer 11

by wich elements reflected the common properties

Question 12

how many elements are there in the moderen perodic tabel

Answer 12

118 elements

Question 13

what kind of information does the periodic tabel provide

Answer 13

atomic mass ion charge symbol atomic mass

Question 14

what is period, group

Answer 14

period is the horizontal row group is the vertical columes

Question 15

what is a atomic number, atomic mass, mass number

Answer 15

number of protons in a nucleus, mass of the protons and neutrons in an atom’s nucleus, protons + nutrons is mass number