I need more characters but it is b
1) period
2) the answer is D) I because they are in the same column
3) B)Ge because they are in the same column
4) A) Al because they are in the same column (share same characteristics)
5) D) they have the same number of valence electrons
6) D) nonmetals
The answer for this question is:
B. Scientific notation is used to keep track of very small and very large numbers during mathematical calculations.
Answer:
The Answer is C. 550 milliliters
