#1
What is the charge of a chloride ion?
#2
Which of the following represents a molecular formula?
#3
How many atoms are there in one mole of a substance?
#4
Which of the following is a diatomic molecule?
#5
How many valence electrons does a chlorine atom have?
#6
What is the molecular formula for methane?
#7
What is the charge on a sulfate ion (SO4^2-)?
#8
How many oxygen atoms are there in one molecule of sulfuric acid (H2SO4)?
#9
Which of the following ions has a noble gas electron configuration?
#10
What is the formula for the hydroxide ion?
#11
What is the chemical formula for the carbonate ion?
#12
What is the molecular formula of hydrogen peroxide?
#13
What is the molecular formula of ammonia?
#14
In the compound C6H12O6, what type of formula is C6H12O6?
#15
What is the charge of a nitrate ion (NO3-)?
#16
What is the formula for nitrous acid?
#17
Which ion is commonly associated with the hardening of water?
#18