Describe three ways that you and your family could save water

In a chemical reaction, the mass of the products is equal to __. 11

An atom of iron has 26 protons, 30 neutrons, and 23 electrons. what are its atomic number, atomic mass, and net charge?

Why two ingredients are necessary in order for a substance to be called a hand cream

What causes moon phases

How many valence electrons are in each atom?

If the amount of atoms of each type on the left and right sides of a reaction differ, what must be done to balance it? A. It should be left alone B. Coefficients are placed in front of the reactants and/or products C.

All metals a melt at high temperatures b conduct heat and electricity c contain iron d react with air and water

Predict the following chemical formula for a compound between calcium and chlorine.

Two pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when the two silk pieces are brought close together? A. They will repel one another. B. They will attract one another. C.

The chemicals formula of glucose is c6h12o6. what are the names of the elements in glucose and how many atoms of each element are present in glucose molecules