Periodic Table Trends
Isotopes
Atomic Mass Average
Lewis Dot Structures & Charges
Electron Configuration
100

How many valence electrons does Phosphorus have?

5

100

How many Neutrons and Protons are there if Carbon has an Atomic Mass of 13?

Neutrons: 7

Protons: 6

100

Find the average atomic mass for Br-79 if 50.7% of the atoms have a mass of 78.92 amu, and Br-81 if 92.5% of the atoms have a mass of 78.92 amu.


79.906 amu

100

What is the Lewis Dot Structure and the Charge for Sodium?

Na1+

100

Write the full electron configuration for Calcium

1s2s2p6 3s2 3p5

200

Which one has more Electron Affinity? Lead or Phosphorus 

Phosphorus

200

How many electrons does a neutral atom of Nitrogen-15 have?

Electrons 7

200

Find the average atomic mass for C-12 if 98.9% of the atoms have a mass of 12.00 amu, and C-13 if 1.1% of the atoms have a mass of 13.00 amu.

Average mass is 12.011
200

What is the Lewis Dot Structure and the Charge for Sulfur?

S-2


200

Write the Abbreviated electron configurations for Arsenic 

[Ar] 4s2 3d3

300

True or False. Lithium has more Ionization energy than Sodium

True

300

Cu2965 What is the amount of Neutrons?

36 Neutrons

300

Cl-35 with a mass of 34.97 amu and a % abundance of 75.76%. Cl-37 with a mass of 36.97 amu and a % abundance of 24.24%


Average amu is 35.4548

300

What is the Lewis Dot Structure and the Charge for Potassium

K1+

300

What are the orbital diagrams for Potassium

i couldn't upload an image so show me on the board hehe

400

Arrange the following elements from the smallest atomic radius to the biggest atomic radius. S, O, Ca

Ca, O, Ca

400

S1633 How many protons, electrons, and neutrons are there?

Protons: 16

Electrons: 16

Neutrons: 15

400

Chlorine has two isotopes: Cl-35 (75% abundance) and Cl-37 (25% abundance). Calculate the atomic mass 

35.5 amu

400
If Phosphorous is a neutral Atom what's the charge?

0

400

What atom does this electron configuration represent? 1s2 2s2 2p4 

Oxygen

500

True or False. The Atomic Radius trend is the opposite of the Ionization Affinity Trend.

True, why?

500

If there are 16 protons and there are 15 neutrons, what is the simplified form? 

S1633

500

What is the atomic mass average formula?

((% * mass) + (% * mass)) / 100

500

Which one of these atoms doesn't have a charge of -3?

Nitrogen (N), Phosphorus (P), Lithium (Li)

Lithium

500

Why is the electron configuration of Chromium and Copper unique?

Show me what the orbital configuration looks like for one of them

The energy levels 4s and 3d intersect. Causing the electrons to jump from one orbital to another.