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Chem year 10 for exam

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

Card preview (24)

#1
Front (Question)

Periods

Back (Answer)

Across: number of electron shells

#2
Front (Question)

Groups

Back (Answer)

Down: number of valence electrons

#3
Front (Question)

Isotopes

Back (Answer)

Atoms of the same element, different number of neutrons in the nucleus

#4
Front (Question)

Group 1 elements

Back (Answer)

Alkali metals

#5
Front (Question)

Group 2 elements

Back (Answer)

Alkali earth metals

#6
Front (Question)

Group 17 elements

Back (Answer)

Halogens

#7
Front (Question)

Group 18 elements

Back (Answer)

Noble gases

#8
Front (Question)

Mass number

Back (Answer)

Number of protons and neutrons

#9
Front (Question)

Atomic number

Back (Answer)

Number of protons

#10
Front (Question)

Characteristics of metals

Back (Answer)

-Solid at room temperature -Polished to produce a high shine/lustre -Good conductors of electricity -Malleable -Can be made into a wire; ductile -Usually melt at high temperatures (mercury is the exception)

#11
Front (Question)

Characteristics of non-metals

Back (Answer)

-Cannot be polished to produce a shine -Brittle; shatter when hit -Cannot be bent into shape; not malleable -Usually, poor conductors of electricity and heat -Usually melt at low temperatures -Many are gases at room temperatures

#12
Front (Question)

The number of electrons per shell

Back (Answer)

2n^2

#13
Front (Question)

Flame test: ground state

Back (Answer)

Lowest energy state of an atom

#14
Front (Question)

Flame test: excited state

Back (Answer)

Highest energy state of an atom

#15
Front (Question)

Positively charged ions

Back (Answer)

Cations

#16
Front (Question)

Negatively charged ions

Back (Answer)

Anions

#17
Front (Question)

Electrostatic attraction

Back (Answer)

The attraction between two oppositely charged bodies

#18
Front (Question)

Covalent bond

Back (Answer)

A shared pair of electrons holding two atoms together

#19
Front (Question)

Activity series

Back (Answer)

Place elements in decreasing order of reactivity

#20
Front (Question)

Aqueous solution

Back (Answer)

Solution in which water is the solvent

#21
Front (Question)

Precipitate

Back (Answer)

Solid product of a chemical reaction that is insoluble in water

#22
Front (Question)

Relative atomic mass

Back (Answer)

A number that compares the mass of atoms to an agreed mass of carbon-12 isotope

#23
Front (Question)

Characteristics of alkali metals

Back (Answer)

All react strongly with water to form basic (alkaline) solutions, very reactive metals

#24
Front (Question)

Characteristics of alkali earth metals

Back (Answer)

Reactive metals