Chemical bonding Flashcards
1
Q
charge of proton
A
+ 1
2
Q
charge of neutron
A
0
3
Q
charge of electron
A
-1
4
Q
mass of proton
A
1
5
Q
mass on neutron
A
1
6
Q
mass of electron
A
1/1840
7
Q
what is an isotope?
A
atoms of the same element with a different mass number (different number of neutrons)
8
Q
where are higher energy levels located?
A
further from the nucleus
9
Q
what is an ion?
A
a charged particle
10
Q
what 2 things make up an ionic bond?
A
a metal and non-metal
11
Q
what is a cation?
A
+ve ion
12
Q
what is an anion
A
-ve ion
13
Q
what holds ionic bonds together?
A
strong electrostatic forces of attraction
14
Q
describe the structure of a compound (ionic)
A
giant regular lattice with each ion surrounded by oppositely charged ions
15
Q
what is the appearance of group 1/2 compounds?
A
white powder
