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Ch.2 Atoms, Ions, And Compounds

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Total cards: 23•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (23)

#1
Front (Question)

What is an isotope

Back (Answer)

Atoms of the same element with different numbers of neutrons and different masses

#2
Front (Question)

The mass number is the sum of what

Back (Answer)

The protons and neutrons

#3
Front (Question)

Cations are

Back (Answer)

+ ions

#4
Front (Question)

Anions are

Back (Answer)

-ions

#5
Front (Question)

Relative isotopic mass

Back (Answer)

Mass of an isotope relative to 1/12th of a carbon-12 atom

#6
Front (Question)

Relative atomic mass

Back (Answer)

Weighted mean mass of an atom relative to 1/12th of a carbon-12 atom taking into account the %abundances of each isotope and the relative isotopic mass of each isotope

#7
Front (Question)

The process of mass spectrometry

Back (Answer)

A sample is vaporised Ionised to form + ions Ions are accelerated Heavier ones move slower and are more difficult to deflect Ions are detected as a mass/charge ratio Each ion reaching the detector adds to the signal so the greater the abundance the greater the signal

#8
Front (Question)

What ion does silver (Ag) form

Back (Answer)

Ag+

#9
Front (Question)

What ion des zinc (Zn) form

Back (Answer)

Zn 2+

#10
Front (Question)

What ion does aluminium (Al) form

Back (Answer)

Al 3+

#11
Front (Question)

Ammonium

Back (Answer)

NH4 +

#12
Front (Question)

Hydroxide

Back (Answer)

OH -

#13
Front (Question)

Nitrate

Back (Answer)

NO3 -

#14
Front (Question)

Carbonate

Back (Answer)

CO3 2-

#15
Front (Question)

Sulfate

Back (Answer)

SO4 2-

#16
Front (Question)

Nitrite

Back (Answer)

NO2 -

#17
Front (Question)

Hydrogen carbonate

Back (Answer)

HCO3 -

#18
Front (Question)

Sulfite

Back (Answer)

SO3 2-

#19
Front (Question)

Dichromate

Back (Answer)

Cr2O7 2-

#20
Front (Question)

Phosphate

Back (Answer)

PO4 3-

#21
Front (Question)

Manganate

Back (Answer)

MnO4 -

#22
Front (Question)

Natural molecules of phosphorus and sulfur

Back (Answer)

P4, S8

#23
Front (Question)

Formula unit

Back (Answer)

Formula worked out from ionic charges