A 2 m3 wooden block has a mass of 10 kg. What is the density of the block?
1 answer:
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Answer:
7
Explanation:
sodium has 1 valence electron because of its place on the periodic table. a trick to use is included in the picture below to find out how many valence electrons an element has. to get from 1 to 8 we add 7.
I hope this helps :))
