How many protons does silicon have?

28
2
14
28.08

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh

Chromosome 17 is made of over million base pairs.