The electron composition of a molecule is 2,8,7
A. Describe the atomic number of the element
B. Which of the following elements is chemically similar to this element? Atomic numbers are as follows B(7),F(9),P(15),Are(18).
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Answer:
A. the atomic no. is 2+8+7=17. it is chlorine
Explanation:
B. it is similar chemically to Fluorine atomic no.9
since both are hallogens
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Answer:
Atomic no. of this element is 17 .
The element which is chemically similar to this element is fluorine F (9).
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