Chemistry Of Life Flashcards
1
Q
Proton mass?
A
1
2
Q
Neuton mass?
A
1 unit
3
Q
Electrical charge of proton
A
1
4
Q
Neutron electrical charge
A
Neutral
5
Q
Does an electron have a mass
A
No
6
Q
Electric charge of electron
A
-1
7
Q
Atomic weight of hydrogen
A
1
8
Q
Atomic weight of oxygen
A
16
9
Q
Atomic number of Oxy
A
8
10
Q
Sodium atomic weight
A
23
11
Q
Atomic number sodium
A
11
12
Q
Maximum number of electrons in the outter shell?
A
32
13
Q
Are isotopes stable or unstable ?
A
Unstable
Why: extra neutron in nucleus
14
Q
Revision: covalent bonds are shared when they shore the same electrons
Ionic bonds are weaker
A
Water is a covalent bond
15
Q
Electrolytes are _____ compounds
A
Ionic
