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