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2.1.1/2 atomic structure

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Total cards: 9•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (9)

#1
Front (Question)

Atomic number

Back (Answer)

Number of protons in nucleus

#2
Front (Question)

Mass number

Back (Answer)

Total number of protons and neutrons in the atom

#3
Front (Question)

Isotopes

Back (Answer)

Atoms of the same element with the same number of protons but different number of neutrons

#4
Front (Question)

Relative isotopic mass

Back (Answer)

Mass of one isotope compared to 1/12th of the mass of an atom of carbon-12

#5
Front (Question)

Relative atomic mass

Back (Answer)

Weighted mean mass of one atom compared to 1/12th of the mass of an atom of carbon-12

#6
Front (Question)

Relative molecular mass

Back (Answer)

Average mass of a molecule compared to 1/12th of the mass of an atom of carbon-12

#7
Front (Question)

Calculating relative atomic mass of an element

Back (Answer)

RAM = sum of (isotopic mass x relative abundance) / total relative abundance

#8
Front (Question)

Spectator ions

Back (Answer)

Ions that are not changing state Not changing oxidation number

#9
Front (Question)

Writing ionic equation

Back (Answer)

Take full equation Separate (aq) solutions into ions Cancel out spectator ions leaving ionic equation