<span>Since Astatine is in period 7 and Te is in period 6, I'm going with At because it has 7 energy levels.</span>
Answer:
<em><u>Decomposition reactions are processes in which chemical species break up into simpler parts. Usually, decomposition reactions require energy input. For example, a common method of producing oxygen gas in the laboratory is the decomposition of potassium chlorate (KClO3) by heat.</u></em>
Explanation:
hope it will help u
Answer
there is 2 electrons on that atoms
Explanation:
Calcium will lose 2 electrons to gain a full outer shell.
This will form a positive ion.
Amino acids those are the things inside your stomach that break up the food/drink and distribute the nutrients you need throughout the body
