Convection currents slowly move tectonic plates across Earth

True or False?

Which best describes why nh4+ can form an ionic bond with ci-?

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

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane