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15
×
The net electric charge of an ionised atom is called the _________ and it can be positive or negative.
oxidation number
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15
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What element has the atomic symbol of K?
potassium
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15
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The _________ of an element is the average mass of the mass numbers of its isotopes according to their relative abundance.
atomic mass
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trap
No points!
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gift
Win 15 points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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15
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An _________ of an element is an atom that has a different mass number to the standard of that element.
isotope
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15
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What is the atomic symbol for silver?
Ag
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15
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When an atom gains or loses electrons, we say that it has been ________.
ionised
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
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shark
Other team loses 5 points!
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banana
Go to last place!
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15
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We use atomic __________to summarise the information related to the internal composition of an atomm.
parameters
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15
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The process by which atoms gain or lose electrons is called __________.
ionisation
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15
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A ________substance is made up of atoms from the same chemical element.
simple
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15
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An atom that has lost electrons is _________ ionised.
positively
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15
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What charge to protons have?
positive
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15
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The number of _______ in the nucleus defines the type of chemical element and differentiates it from all other elements.
protons
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15
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The __________ is the sum of the protons and neutrons in the nucleus of the atom.
mass number
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boom
Lose 50 points!
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seesaw
Swap points!
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gift
Win 10 points!
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baam
Lose 15 points!
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×
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