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Chapter 2

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Total cards: 22•Content version: v4•Public deck•Updated: 8/1/2026

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#1
Front (Question)

Relative atomic mass

Back (Answer)

The weighted mean mass of an element of an atom, compared with 1/12th the mass of a carbon 12 atom

#2
Front (Question)

What is the mass of an electron

Back (Answer)

1/1836th the mass of a proton

#3
Front (Question)

Isotope

Back (Answer)

Atoms of the same element with the same proton number but varying neutron numbers

#4
Front (Question)

A Z

Back (Answer)

Mass number Atomic number

#5
Front (Question)

How are isotopes chemically different ?

Back (Answer)

Higher mass Higher melting / boiling point Higher density Slower diffusion

#6
Front (Question)

Mass defect

Back (Answer)

Missing mass Due to energy released during the formation of the nucleus

#7
Front (Question)

Relative isotopic mass

Back (Answer)

The mass of an isotope relative to 1/12th of the mass of an atom of carbon 12

#8
Front (Question)

How to find the RAM of isotopes

Back (Answer)

Need the percentage abundance And the RIM of each isotope

#9
Front (Question)

How does a mass spectrometer work?

Back (Answer)

Sample placed Vaporised Ionised by electron beams Accelerated - separated Ions detected on mass spectrum as (mass to charge) m/z

#10
Front (Question)

How to find relative atomic mass of isotopes?

Back (Answer)

(% x RIM) + (% x RIM) = RAM

#11
Front (Question)

What are binary compounds?

Back (Answer)

Compounds that only contain 2 elements Ends in - ide

#12
Front (Question)

What are polyatomic ions?

Back (Answer)

Ions that contain atoms of more than 1 element bonded together

#13
Front (Question)

Ammonium ion

Back (Answer)

NH4+

#14
Front (Question)

Hydroxide ion

Back (Answer)

OH-

#15
Front (Question)

Carbonate ion

Back (Answer)

CO3 2-

#16
Front (Question)

Sulfate ion

Back (Answer)

SO4 2-

#17
Front (Question)

Nitrate ion

Back (Answer)

NO3 -

#18
Front (Question)

Hydrogen carbonate ion

Back (Answer)

HCO3 -

#19
Front (Question)

Manganate ion

Back (Answer)

MnO4 -

#20
Front (Question)

Dichromate ion

Back (Answer)

Cr2O7 2-

#21
Front (Question)

Phosphate ion

Back (Answer)

PO4 3-

#22
Front (Question)

Ate - Ite - ide

Back (Answer)

Ate - Ite = loses an oxygen Ide = no oxygen