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zalisa [80]
2 years ago
5

BRAINLIESTTTT ASAP!

Biology
2 answers:
forsale [732]2 years ago
8 0
1. They combine to form atoms

2. Alkaline earth metals

I haven’t done this in a while sorry if it’s not correct
nadezda [96]2 years ago
4 0
Answer:
           1. Elements are finite in number.
            3. In periodic table alkaline earth metals are harder than other metals found in periodic table,
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