Which of the following is a characteristic of the lanthanides? O A. They are silvery metals that conduct electricity.
B. There are no known uses for the metals.
C. They are all radioactive.
D. They are used in making fireworks

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

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

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction