Answer: 41 7/10
Explanation: The mark is on the seventh out of ten marks
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: 2
Bc when you subtract 12 from 14 you get 2
Explanation:
Their force of attraction is strongest in the middle of the magnet.
Don’t currently have a calculator with me but just use Avogadros constant (A) 6.02x10^24, in the equation n=N/A. Lower case n being the number of mol and upper case being the number of molecules (given).