Periodic Table Trends
How many valence electrons does Phosphorus have?
5
How many Neutrons and Protons are there if Carbon has an Atomic Mass of 13?
Protons: 6
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
What is the Lewis Dot Structure and the Charge for Sodium?
Na1+
Write the full electron configuration for Calcium
1s2 2s2 2p6 3s2 3p5
Which one has more Electron Affinity? Lead or Phosphorus
Phosphorus
How many electrons does a neutral atom of Nitrogen-15 have?
Electrons 7
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.
What is the Lewis Dot Structure and the Charge for Sulfur?
S-2
Write the Abbreviated electron configurations for Arsenic
[Ar] 4s2 3d3
True or False. Lithium has more Ionization energy than Sodium
True
Cu2965 What is the amount of Neutrons?
36 Neutrons
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
What is the Lewis Dot Structure and the Charge for Potassium
K1+
What are the orbital diagrams for Potassium
i couldn't upload an image so show me on the board hehe
Arrange the following elements from the smallest atomic radius to the biggest atomic radius. S, O, Ca
Ca, O, Ca
S1633 How many protons, electrons, and neutrons are there?
Protons: 16
Electrons: 16
Neutrons: 15
Chlorine has two isotopes: Cl-35 (75% abundance) and Cl-37 (25% abundance). Calculate the atomic mass
35.5 amu
0
What atom does this electron configuration represent? 1s2 2s2 2p4
Oxygen
True or False. The Atomic Radius trend is the opposite of the Ionization Affinity Trend.
True, why?
If there are 16 protons and there are 15 neutrons, what is the simplified form?
S1633
What is the atomic mass average formula?
((% * mass) + (% * mass)) / 100
Which one of these atoms doesn't have a charge of -3?
Nitrogen (N), Phosphorus (P), Lithium (Li)
Lithium
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.