chemistry

Question 1

period (rows)

Answer 1

How many shells an element has outside the nucleus

Question 2

groups (vertical)

Answer 2

Tell you how many electrons in outermost layer/shell of atom

Question 3

Alkali metals

Answer 3

Shiny, malleable very reactive explod when exposed to water stored in inter gas or oil 1 electron an outermost shell

Question 4

How many electrons can fill each layer/shell (onion skin)

Answer 4

2.n squared

Question 5

Atomic Number

Answer 5

Number of protons in nucleus as outer shells/layers

Question 6

a.m.a ‘unified’

Answer 6

atomic mass unit or unified. when the atoms ‘calm’ its mass is averaged at 1.67377x10 -power of 24 grams

Question 7

Zincing

Answer 7

propellors on boats coated in zinc - prevents corrosion

Question 8

Law of conseration mass

Answer 8

matter can neither be created nor destroyed

Question 9

hydrogen

Answer 9

lightest gas known to man explosive flammable colours, or colourless

Question 9

matter

Answer 9

3 states solid, liquid or gas