Pure water can be consumed in a chemical reaction, resulting in the formation of a new product. Refer to paragraph four. What type of change is this?

A. A physical change
B. A chemical change
C. A mixture change
D. A compound change

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true