Topic 2 Chemistry

Question 1

Chemistry

Answer 1

Study of matter

Question 2

Matter

Answer 2

Anything that occupies space and has weight

Question 3

Organic chemistry

Answer 3

Carbon containing substances

Question 4

Inorganic chemistry

Answer 4

NON carbon containing substances

Question 5

Elements

Answer 5

Simplest type of matter

Question 6

Atoms

Answer 6

Basic unit of matter
Smallest unit of an element

Question 7

Solid

Answer 7

Has definite shape and volume

Question 8

Liquid

Answer 8

Takes on shape of container it is in

Question 9

Gases

Answer 9

Has neither a shape or a volume

Question 10

Atoms
3 subatomic particles

Answer 10

Neutrons -found in the nucleus no electric charge
Protons -in nucleus positive charge
Electrons -orbits nucleus a negative charge

Question 11

Atoms difference

Answer 11

The number of each found in the atom

Question 12

Atomic number

Answer 12

of protons in the nucleus

Question 13

Atomic weight

Answer 13

of protons and neutrons in nucleus

Question 14

Isotopes

Answer 14

Elements with the SAME atomic # but Different atomic weight

Question 15

RADIOisotpes

Answer 15

Unstable and will decay into more simple substances by giving off waves or particles

Damaging to tissues - used to destroy cells

Question 16

Elements

Answer 16

Substances cannot be broken down by ordinary chemical mean

Question 17

4 common elements if the body

(C)assandra (H)as (O)n (N)ikes

Answer 17

1.Carbon
2.Hydrogen
3.Oxygen
4.Nitrogen