if an element y has atomic number 9 and element x has atomic number 13. waht is the formula of the compound formed between them
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Atomic no 9= fluorine,F^-1. And atomic no =13 aluminum ,Al^+3
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aathmajriyadh:
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AlF₃ IS CORRECT FORMULA
THEIR ATOMIC NUMBERS ARE :
Al = 13
F = 9
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