Which is the element with atomic no. 4? Write about it.
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✓ Best answer- gets brainliest
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Which is the element with atomic no. 4? Write about it.
✓ Write well.
✓ Best answer- gets brainliest
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be is the atomic number 4
it's mass number is 9.0122
it's symbol is Be
it is the 2nd period element in the periodic table.
and it is also a 2nd group element.
it is a alkaline earth metal
and it is a S- block element
it is a divalent element
hope this answer helps u....