Ions & the Periodic Table Flashcards
1
Q
Atoms in Group 1-3:
A
Loose electrons, and form the configuration of the previous noble gas.
2
Q
Atoms in Group 5-7:
A
Gain electrons, and from the electronic configuration of next noble gas.
3
Q
Why do the following Atoms not generally form ions? Be, C, B & Si
A
Too much energy is required to transfer the outer electron.
4
Q
What are Molecular Ions?
A
Molecular ions is where a group of covalently bonded atoms loose or gain electrons to form an ion.
5
Q
What is an Ammonium Ion?
A
NH₄⁺
6
Q
What is a Hydroxide Ion?
A
OH⁻
7
Q
What is a Nitrate Ion?
A
NO₃⁻
8
Q
What is a Carbonate Ion?
A
CO₃²⁻
9
Q
What is a Sulphate Ion?
A
SO₄²⁻
10
Q
What charge does an Ionic Compound have?
A
Zero
11
Q
What do Oxidation Numbers show?
A
Show how many electrons are transferred.
12
Q
What is a Zinc Ion?
A
Zn²⁺
13
Q
What is a Silver Ion?
A
Ag⁺
