EASY
MYP:4-5
IMPORTANT
Earn 100

Determine the full electron configuration for oxide ion, O2- (for elemental oxygen, Z=8)

Important Questions on Patterns

EASY
MYP:4-5
IMPORTANT
Determine the full electron configuration for magnesium ion, Mg2+ (for elemental magnesium, Z=12)
EASY
MYP:4-5
IMPORTANT
Determine the full electron configuration for sulphide ion, S2- (for elemental sulphur, Z=16)
EASY
MYP:4-5
IMPORTANT
Determine the full electron configuration for potassium ion, K+ (for elemental potassium Z=19)
MEDIUM
MYP:4-5
IMPORTANT
How can we use the value of the ionization energy of an atom as an indicator of the level of reactivity of an element?
MEDIUM
MYP:4-5
IMPORTANT
What factors determine the relative size of the ionization energy of an element?
EASY
MYP:4-5
IMPORTANT
A campfire generates radiant heat that will keep you warm on a cold winter’s night. Additional wooden logs will increase the amount of radiant heat produced. Using this analogy, what happens to the nucleus of an atom as the number of protons increases? 
MEDIUM
MYP:4-5
IMPORTANT
Hypothesize whether the alkali metals will follow the same trend in reactivity when they react with oxygen.
MEDIUM
MYP:4-5
IMPORTANT
Compare the chemical and physical properties of sodium and chlorine with those of sodium chloride.