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Luda [366]
3 years ago
12

Compare and contrast the elements in Group 1 and the elements in Group 17

Biology
1 answer:
IgorLugansk [536]3 years ago
5 0
<span>7 electrons in each outer shell
Group 17
Most reactive
Fluorine, Chlorine, Bromine, Iodine, Astatine
Alkali Metals:
1 electron is each outer shell
Group 1
Also reactive, but not as much as the halogens
Lithium, Sodium, Potassium, Rubidium, Cesium, Francium </span>
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option c is correct that is 32

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meiosis occur in two phases in the first phase DNA replication occur and amount of DNA becomes doubled without any changes in the chromosomes number and two daughter cells( each 2n) are formed

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