The illustration below shows the protons and neutrons of a lithium atom. How many electrons orbit the nucleus? (Give a small explanation please)

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

For the following, determine the type of reaction and then give products.

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted