Chemistry Major 2 Flashcards
1
Q
Valence shell
A
Outer shell
2
Q
Mon Di Tri Tetra Penta
A
1 2 3 4 5
3
Q
Compounds
A
Contain 2 or more different types of atoms chemically combined
4
Q
Ionic compounds
A
Compounds of metal and non metals
5
Q
Covalent compounds
A
Non metal and non metal
6
Q
Why do elements react?
A
To try to get stable shells
7
Q
Valence
A
Charge possessed by an ion
8
Q
Ion
A
Charged atom
9
Q
Loosing electrons
A
Cations
10
Q
Gaining electrons
A
Anions
11
Q
Molecules
A
Group of non metals sharing electrons
12
Q
What is NO
A
Nitrogen monoxide
13
Q
What is CO
A
Carbon monoxide
14
Q
Sulphuric acid
A
H2SO4
15
Q
Phosphoric acid
A
H3PO4
16
Q
Acetic acid
A
CH3COOH
17
Q
ammonia
A
NH3
18
Q
Methane
A
CH4
19
Q
Water
A
H2O
20
Q
Hydrochloric acid
RWS
A
Chloride
21
Q
Sulphuric acid
Rws
A
Sulfates
22
Q
Nitric acid
Rws
A
Nitrate
23
Q
Phosphoric acid
Rws
A
Phosphate
24
Q
Oxides/hydroxide
A
Bases
25
Hydrocarbon + oxygen
Carbon dioxide + water
26
Acid + metal
Metal salt + hydrogen gas
27
Acid + carbonate
Metal salt + H2O+ CO2
28
Acid + base
Metal sLt + h2O
29
Element and oxygen
Element oxide
30
Exothermic
Heat exits
31
Endothermic
Absorbs heat
32
Example of exothermic
Combustion
| Respiration
33
Example of endothermic
Photosynthesis
34
Stable shell
8 electrons in outer shell
