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C3 - stichometry

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

naming compounds: metal, non-metal - rules

Back (Answer)

-metal first non-metal has “ide” at end eg. magnesium chloride

#2
Front (Question)

naming compounds: non-metal, non-metal - rules

Back (Answer)

-hydrogen first -non-metal with lower group goes first -non-metal with lower down goes first eg, hydrogen chloride, nitrogen dioxide, sulfur oxide

#3
Front (Question)

define atomic mass

Back (Answer)

proton + neutron

#4
Front (Question)

define atomic number

Back (Answer)

proton

#5
Front (Question)

what is the standard measurement of atoms & why

Back (Answer)

-carbon 12 -most abundant element

#6
Front (Question)

define relative atomic mass

Back (Answer)

the average mass of isotopes of an element compared to 1/12 of the mass of an atom of carbon 12

#7
Front (Question)

formula relative atomic mass of an element through its isotopes (Ar)

Back (Answer)

(mass number of isotope x percentage of type of isotope) + (….) / 100 -don’t add % in calc

#8
Front (Question)

define relative molecular mass (Mr)

Back (Answer)

sum of relative atomic masses in molecular formula

#9
Front (Question)

formula for relative molecular mass (Mr)

Back (Answer)

-mass of each element X no. of the element -add them up eg. H2O - >1 X 2 + 16 = 18

#10
Front (Question)

define molecular formula

Back (Answer)

number and type of atoms in one molecule

#11
Front (Question)

define empirical formula

Back (Answer)

simplest whole number ratio of atoms present

#12
Front (Question)

define relative formula mass

Back (Answer)

sum of relative atomic mass in empirical formula

#13
Front (Question)

law of mass conservation

Back (Answer)

mass cannot be created or destroyed

#14
Front (Question)

formula for % purity of a substance

Back (Answer)

mass of pure substance in it ——————————————- X 100% total mass

#15
Front (Question)

formula for % yield of a substance

Back (Answer)

actual mass of product ——————————————- X 100% theoretical mass of product -actual mass = mass from mr & mol

#16
Front (Question)

define mol

Back (Answer)

-unit of amount of substance -1 mol = 6.02 x 10^23 particles

#17
Front (Question)

formula for mol

Back (Answer)

mass ———————— = mol molecular mass

#18
Front (Question)

how much is Avogadro’s constant (NA) = 12g of Carbon 12 = mol worth

Back (Answer)

6.02 x 10^23 particles

#19
Front (Question)

formula for number of molecules in a compound

Back (Answer)

6.02 x 10^23 X no. mols

#20
Front (Question)

formula for number of atoms in a compound

Back (Answer)

6.02 x 10^23 X no. atoms in chemical formula

#21
Front (Question)

formula for concentration

Back (Answer)

volume -g/ dm^3

#22
Front (Question)

1 mol at rtp volume?

Back (Answer)

24dm^3

#23
Front (Question)

what does limiting reactant do

Back (Answer)

controls the amount of product made

#24
Front (Question)

finding limiting reactant

Back (Answer)

-find mols -compare mol with ratio -smaller mol is the limiting reactant