N5 Flashcards
1
Q
What are the diatomic molecules
A
hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine.
2
Q
Show a bent molecule
A
O
/ \
H H
H2O, water has 3 atoms
3
Q
Show a pyramidal molecule
A
N
/ | \
H H H
NH3, Ammonia has 4 atoms
4
Q
Show a tetrahedral molecule
A
H
|
C
/ | \
H H H
Methane, CH4 has 5 atoms
5
Q
Show a linear molecule
A
H–H
H2 Hydrogen has 2 atoms
6
Q
What is the formula for RAM
A
(Percentage 1 x mass1) + (Percentage 2 x mass2)
_________________________
100
7
Q
What is group 1 of the periodic table also known as
A
The Alkali Metals
8
Q
What is group 7 of the periodic table also known as
A
Halogens- they are Diatomic
