Answer:
1...option B
2... peroids
3..group
4.. metals
5...7
6...dmitri mendeleev
7.. xenon
8... compound can be broken down by physical means
9... they can be broken down into simpler substance
sry if its wrong
last two 8th and 9th i do t think ots correct
Answer: a. new
Explanation:
The time between one full moon to another is new moon. The lunation is the average time taken for the formation of new moon to the next. The new moon is the initial visible crescent of the Moon after being conjugated with the Sun. Per lunar cycle can be assigned with a lunation number for the purpose of identification.
74 is the answer u find it by subtracting the protons(atomic number) from atomic mas, so basically... 127-53 =74 neutrons
