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C3

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

Card preview (24)

#1
Front (Question)

Metals are represented in equations by what type of formula?

Back (Answer)

Empirical formula

#2
Front (Question)

Ionic compounds are represented in equations by what type of formula?

Back (Answer)

Empirical formula

#3
Front (Question)

Simple covalent molecules are represented in equations by what type of formula?

Back (Answer)

Molecular formula

#4
Front (Question)

What is the formula for carbon dioxide?

Back (Answer)

CO2

#5
Front (Question)

Bromine is a halogen What is the formula for bromine?

Back (Answer)

Br2

#6
Front (Question)

What is the formula for nitrogen?

Back (Answer)

N2

#7
Front (Question)

What is the formula for oxygen?

Back (Answer)

O2

#8
Front (Question)

What is the formula for sulfur?

Back (Answer)

S

#9
Front (Question)

Potassium is a metal What is the formula for potassium?

Back (Answer)

K

#10
Front (Question)

Aluminium is a metal What is the formula for aluminium?

Back (Answer)

Al

#11
Front (Question)

What is the formula for sodium chloride?

Back (Answer)

NaCl

#12
Front (Question)

What is the formula for magnesium bromide?

Back (Answer)

MgBr2

#13
Front (Question)

What is the formula for lithium oxide?

Back (Answer)

Li2O

#14
Front (Question)

Phosphorus exists as simple molecules What is the formula for phosphorus?

Back (Answer)

P4

#15
Front (Question)

Iodine is in group 7 What is the formula of an iodide ion?

Back (Answer)

I-

#16
Front (Question)

Chlorine is in group 7 What is the formula of a chloride ion?

Back (Answer)

Cl-

#17
Front (Question)

Sulfur is in group 6 What is the formula of a sulfide ion?

Back (Answer)

S2-

#18
Front (Question)

Oxygen is in group 6 What is the formula of an oxide ion?

Back (Answer)

O2-

#19
Front (Question)

Nitrogen is in group 5 What is the formula of a nitride ion?

Back (Answer)

N3-

#20
Front (Question)

Sulfate is a complex ion What is the formula of a sulfate ion?

Back (Answer)

SO42-

#21
Front (Question)

Nitrate is a complex ion What is the formula of a nitrate ion?

Back (Answer)

NO3-

#22
Front (Question)

Carbonate is a complex ion What is the formula of a carbonate ion?

Back (Answer)

CO32-

#23
Front (Question)

Calcium is in group 2 What is the formula of a calcium ion?

Back (Answer)

Ca2+

#24
Front (Question)

What is the formula for methane?

Back (Answer)

CH4