Valence Electrons
Chemical Symbols
Electron Configurations
Basic Knowledge
Table
100
What is the easiest way to find out the amount if valence electrons a chemical has?
Look at the group number.
100
Ca.
What is Calcium?
100
Nitrogen.
What is 1s2 2s2 2p3?
100
Where is the atomic number located?
In the top right corner.
100
How many periods are there?
What is 7
200
How many valence electrons does carbon have?
What is 4.
200
Molybdenum.
What is Mo?
200
1s2 2s2 2p6 3s2 3p4.
What is Sulfer,S?
200
What are the letters in all the squares called?
The Chemical symbol.
200
The "staircase" seperates what two element groups?
Metals and Non-Metals.
300
Name all the chemicals with 8 valence electrons.
What are Helium,Neon,Argon,Krypton,Xenon,Radon?
300
Au.
What is Gold?
300
1s2 2s2 2p6 3s2 3p6 4s2 3d6.
What is Iron,Fe?
300
What is the atomic mass?
What is the sum of the protons and neutrons in the element's atoms.
300
This man founded the Periodic Table.
Who is Mendeleev?
400
What is a Valence Electron?
What is An electron in the highest occupied energy level on an atom.
400
Mercury.
What is Hg?
400
Rb.
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1?
400
What is the largest category?
The Metals.
400
How many element groups are there?
What is 7
500
how many valence electrons does gold have?
What is 1.
500
Fr.
What is Francium?
500
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p4.
What is Polonium, Po?
500
How do you find out the amount of neutrons in a chemical?
Number of Neutrons = Atomic Mass - Atomic Number.
500
Name 5 of the 7 element groups.
What is transition metals, rare earths, alkali metals, alkaline earths, halogens, non-metals, and noble gases.
M
e
n
u