343 W/ of energy is emitted by the Sun to the Earth. How much actually reaches the Earth's surface? almost all

about a third

about half

about one fourth

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins