How many atoms of hydrogen are there in one molecule of water. if the chemical formula is H202 ? a. 0

b. 1

c. 2

d. 3

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

The diagram below shows a cell placed in a solution. a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution. only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it. it will expand as water moves into it. it will shrink as water moves into it.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a