Answer:
There will be 1.50 gram of water
Answer:
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Explanation:
The electron configuration of Br- is [Ar] 3d10 4s2 4p6
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Answer:
the answer is
0.1342 mL
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Answer:
Group 1 (or IA)
Explanation:
If element X is a halogen, then it belongs to the group 17 (or VIIA, under a different notation).
For each extra unit of atomic number, the group number increases by 1. That means that the X+1 element would belong to the group 18 (or VIIIA). <em>The X+2 element would thus belong in the group 1 </em>(or IA) one period higher (higher as in numeric value, not as in position in the periodic table).