How many valence electrons does aluminum have?
How many electrons does chloride have?
18
How many neutrons does beryllium have?
5
Draw the Bohr-Rutherford diagram for calcium
See board
Determine the number of protons, neutrons, and electrons in Fe
26 p, 26 e, 30 n
Name two ions/atoms that are iso-electric with the fluoride ion.
neon, oxide, nitride, carbide, sodium ion...
How many valence electrons will aluminum lose or gain? Is it cation or anion?
Lose 3, cation
Which atom will have the short-hand Bohr of 2e, 8e, 8e, 1e
Potassium
Which atom has 12 electrons and 12 neutrons?
Magnesium
Which atom is iso-electronic with krypton. bromide or rubidium?
Bromide, rubidium isn't the ion so....
Write the symbol for the iron (III) ion
Fe^3+
Draw the lewis structure of phosphorus
See board