A
B
C
D
E
100

What is the name of Ag?

Silver

100

What is the name of Pb?

Lead

100

What is the name of Rn?

Radon

100

What is the name of U?

Uranium

100

What is the name of Au? 

Gold

200

How many neutrons does Calcium have? 

20

200

How many neutrons does Iodine have?

74

200

How many protons does Zinc have?

30

200

How many neutrons does Hydrogen have?

0

200

How many protons does Phosphorus have?

15

300

How many valence electrons does Sr (Strontium) have?

2

300

Which family does Boron belong to?

Metalloids

300

What is the atom that has the electron configuration of: 2, 8, 3

Aluminium

300

Which family does Beryllium belong to?

Alkaline Earth Metals

300

What is the atom that has the electron configuration: 2, 8, 8, 3

Scandium 

400

Between Carbon & Lead, which one has a smaller atomic radius?

Carbon (fewer shells)

400

What energy is required to remove electrons from their atom?

Ionisation Energy 

400

An atom that has gained electrons is called...

Anions 
400

Between Chlorine and Iodine, which has the higher ionisation energy? 

Chlorine 

400

An atom that has lost electrons is called...

Cations

500

The noble gases have zero electronegativity because?

Because they have completely full valence shells.

500

Why are the valence electrons more attracted to the nucleus as you go across the period (left to right)?

Because the effective nuclear charge increases
500

Electronegativity is defined as...

The ability to attract electrons during chemical bonding.

500

As you down a group the atomic radius _______, because ______________. 

Increases, because more shells are added.

500
How do you calculate effective nuclear charge?

Effective Nuclear Charge = No. of Protons in the nucleus – No. of total inner-shell electrons

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