Chemistry - Atoms/elements and bonding

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How Do you work out relative atomic mass
((mass number x percentage) + (mass number x percentage)) / 100
1 of 7
What is the mass number
number of protons + neutrons
2 of 7
what is an isotope of an element
An element with different numbers of neutrons (e.g. carbon14 and carbon12)
3 of 7
How many electrons in the outer shell of a halogen
7
4 of 7
Name a noble gas
either - helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) or radon (Rn)
5 of 7
What is a covalent bond
non-metal + non-metal
6 of 7
what is an ionic bond
metal + non-metal
7 of 7

Other cards in this set

Card 2

Front

What is the mass number

Back

number of protons + neutrons

Card 3

Front

what is an isotope of an element

Back

Preview of the front of card 3

Card 4

Front

How many electrons in the outer shell of a halogen

Back

Preview of the front of card 4

Card 5

Front

Name a noble gas

Back

Preview of the front of card 5
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