Ch 8 - Ions Flashcards
1
Q
What are the 3 sub-atomic particles of an atom?
A
- Protons
- Neutrons
- Electrons
2
Q
proton symbol
A
p 😂
3
Q
relative mass of proton
A
1
4
Q
relative charge of proton
A
+1
5
Q
neutron symbol
A
n 🤓
6
Q
relative mass of neutron
A
1
7
Q
relative charge of neutron
A
0
neutral!
8
Q
electron symbol
A
e 🤪
9
Q
relative mass of electron
A
1/1840
10
Q
relative charge of electron
A
-1
11
Q
Noble gases are found in Group ____ of the Periodic Table.
A
Group 18 :)
12
Q
Noble gas atoms are…
A
- stable
- unreactive (inert)
13
Q
Noble gases exist in nature as ____________ .
A
single atoms 🙎😩
14
Q
Noble gases have ____ valence shells.
A
full / complete
15
Q
Ions are formed when…
A
an atom loses or gains electrons
16
Q
Atoms with a nearly empty valence shell will…
A
lose electrons 😓