Valence Electrons
What is the easiest way to find out the amount if valence electrons a chemical has?
Look at the group number.
What type of element is Calcium?
Alkaline Earth Metal
Nitrogen.
What is [He] 2s2 2p3?
How does atomic radius increase on the periodic table?
Increases from right to left across a period, increases top to bottom down a group
What groups in the periodic table include the s-block?
Groups 1 and 2
How many valence electrons does carbon have?
What is 4.
What type of element is Oxygen?
Nonmetal
[Ne] 3s2 3p4.
What is Sulfer,S?
Which of the following has the highest electronegativity value? Sodium, Magnesium, or Aluminum
Aluminum
What element is at period 2 group 15
Nitrogen
Name all the chemicals with 8 valence electrons.
What are Helium,Neon,Argon,Krypton,Xenon,Radon?
What type of element is Xenon?
Noble gas
[Ar] 4s2 3d6.
What is Iron,Fe?
Which of the following has the highest ionization energy? Potassium, Iodine, or Calcium?
Iodine
What element is at Period 5 Group 10?
Palladium
What is a Valence Electron?
What is An electron in the highest occupied energy level on an atom.
What type of element is Boron?
Metalloid
Rb.
What is [Kr] 5s1?
Which of the following will be more likely to form a positive cation? Sulfur, Selenium, or Tellurium
Tellurium
The "staircase" separates what two element groups?
how many valence electrons does Oxygen have have?
What is 6.
Metal
[Xe] 6s2 4f14 5d10 6p4.
What is Polonium, Po?
Which of the following will have the larger ionic radius? Na+1 , Mg, or N-3
N-3
How many element periods are there?
7