Sr has an atomic number of 38 so we'll start there.
The closest noble gas is Kr with an atomic number of 36 so it'll look like this:
[Kr]5s^2.
I do believe the answer is A. Hope this helps.
Answer: There is no question.
Explanation:
Due to no question I can simply not answer this. Pls mark me brianliest for answering correct.
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Me
The second one.
Remember, temperature is the AVERAGE kinetic energy. So, looking for highest average kinetic energy means looking for highest temperature, which is 55.
Note: the amount of the substance does not determine the average kinetic energy.
There’s going to be 8 neutrons presented
