Topic 2 - atomic structure
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Last updated 2:06 PM on 11/13/22
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10 Terms
1
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Neutrons
________ have a charge of 1, a mass of- 1 and are found in the nucleus.
2
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Protons
________ have a charge of +1, a mass of +1 and are found in the nucleus.
3
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Electrons
________ have a charge of 0, a mass of 1 /1840 and are found in shells surrounding the nucleus.
4
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Isotopes
________ are atoms of an element with the same atomic number but a different mass number, indicating a different number of neutrons.
5
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electrostatic attraction
As the number of electrons is different to the number of protons, the atoms are now charged particles known as ions, which are attracted to each other by ________.
6
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metal atoms
When ________ react with non- metal atoms, they chemically combine to form compounds.
7
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neutrons
Protons and ________ are found in the nucleus, in the centre of the atom.
8
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Electrons
________ orbit the nucleus in shells; there are a maximum number of electrons that fit in each shell.
9
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Chlorine has two main isotopes
35Cl and 37Cl
10
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The chlorine atom gains this electron to form the Cl
anion, with electronic configuration 2,8,8
