Which of these elements is an alkaline earth metal? potassium (k) calcium (ca) chromium (cr) gallium (ga)

In drawing a lewis structure each nonmetal atom except hydrogen should be surrounded by

Suppose a container holds 1000 hydrogen molecules (H2) and 1000 oxygen molecules (O2) that react to form water. How many water molecules will be in the container? Will anything else be in the container? If so, what?

Ww is an example of. WW is an example of. ww is an example of.

Is caffeine optically active

A 125G sample of water was heated to 100.0°C and then I borrow platinum 20.0°C is dropped into the beaker the temperature of the platinum in the beaker quickly rose 235.0°C the specific heat of platinum is 0.13 j/g°C. The specific heat of water is 4.

Why can we only see water vapor right above the boiling water

What does this symbol, 1/0N, mean? A. an electron of negligible mass and one unit of charge B. a position of negligible mass and one unit positive charge C. a neutron of zero mass and one unit positive charge D.

What is a characteristic of every combination reaction?

What is the change of a liquid to a solid, 15 letter word, 4th letter is "s".

Which atoms are most likely to form covalent bonds?