2. first order reaction
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Answer:
Noble gases tend not to react with anything.
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Answer:
NO2
Explanation:
To calculate the empirical formula, what we need do first is to divide the appropriate percentage compositions with the atomic masses. The atomic mass of nitrogen is 14g/mol. The atomic mass of oxygen is 16g/mol
We proceed like this:
N = 30.45/14 = 2.175
O = 69.55/16 = 4.347
We then divide both by the smallest of the numbers.
N = 2.175/2.175 = 1
O = 4.347/2.175 = 2
The empirical formula is thus NO2
<span>Elements in Period 2 such as Barium and Beryllium can lose up to two electrons when they react, however Boron can lose up to three electrons when it reacts which causes it to break the pattern normally seen in Period 2.</span>
