How many electrons are shared in the Lewis structure of CH2Cl2

What two-elements make up a water molecule?

Our bodies are penetrated by x-rays but not by visible light. Is this because x-rays travel faster than visible light? Yes or no?

What do you call the family of elements that takes up the column on the far right of the periodic table? ? noble gasses ? alkali metals ? halogens

A sequence of thermonuclear fusion processes inside massive stars can continue to transform the nuclei of elements such as carbon, oxygen, etc.

According to the Arrhenius theory, an acid is a substance that (1) changes litmus from red to blue (2) changes phenolphthalein from colorless to pink (3) produces hydronium ions as the only positive ions in an aqueous solution (4) produces hydroxide

Describe haw serface area affects the rate of a reaction

Describe one of the major differences between oceanic crust and continental crust.

What occurs in an updraft A cool air from the east rises B cool air from the south rises C warm air from the south rises D warm air from the west rises

Como se producen las bacterias

Name the layers of earth in order from most dense to least dense.