Chemistry, 07.07.2019 10:10 kyliegriffis
Which element in period 4 is the most chemically active non-metal?
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Chemistry, 21.06.2019 19:00
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Chemistry, 22.06.2019 04:30
The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
Answers: 1
Which element in period 4 is the most chemically active non-metal?...
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