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Serjik [45]
2 years ago
5

.....................?

Chemistry
1 answer:
liraira [26]2 years ago
4 0

Answer:

Look at the periodic table of elements

Explanation:

Group 1 is the most reactive and to the right

Group 18 is least reactive and all the way to the left. The rest are in between. The groups go vertical.

You'd be able to solve with this information youre welcome

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