chemistry Flashcards
lerning
1
Q
how many electrones can fill each layer shell
A
2n2
2
Q
period
A
how many shells an element has outside the nuclens
3
Q
groups
A
tell many electrones in outershell of stom
4
Q
akali metals
A
shiny malleable very reaction explode when express to water gas or oil.
5
Q
atomic number
A
number of protons in nucles and un outer shell layer
6
Q
aim unified
A
atoimic mass or unified when the out 1.67377 times 10 gram
7
Q
zincing
A
propellers on boats coated in Zinz preferred corrostion
8
Q
low of consecration mass
A
matter be created or destroyed
9
Q
matter
A
3 sates soild liquid gas
10
Q
hydrgen
A
lightest gas kown to move
