Chemistry Flashcards
1
Q
What is the periodic table ordered by
A
Atomic number and electron arrangements
2
Q
Group 1
A
Alkali metals
3
Q
Area between Group 2 & 3
A
Transition metals
4
Q
Group 7
A
Haolgens
5
Q
Group 8
A
Noble gasses
6
Q
Very recative metals
A
Alkali metals
7
Q
Very reactive non-metals
A
Halogens
8
Q
Very un reactive non metals
A
Noble gasses
9
Q
What type of particle is every element made of
A
Atoms
10
Q
3 types of particles
A
Protons, eutrons and electrons
11
Q
Why neutrons neutral
A
The protons and neutrons will cancel each other out
12
Q
Mass of proton
A
1 mass unit
13
Q
Mass of neutron
A
1 mass unit
14
Q
Mass of eletron
A
1/2000 negligible
15
Q
Isotopes
A
They are more than one form of the same element with the same number of protons and different number of neutrons
