The third option, 2,2,1,2
Answer:
An ion is a charged atom or molecule. It is charged because the number of electrons do not equal the number of protons in the atom or molecule. An atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.
Explanation:
hope it's right
Answer:
i think that the answer is solid liquid and gas.
Explanation:
Answer:
-Theres 20 amino acids in the human body
-The least number of amino acids in a polypeptide are 10
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