The total number of protons in an atom is equal to its
Atomic number
When sodium hydroxide, a strong base, is added to water, the pH of the solution
goes up
Two or more atoms combine to form
a molecule
chemical reactions occur
during metabolism as they are necessary for making the substance of cells
The atomic number consist of
protons and neutrons
What is true about atomic weight
atoms of a particular element that have different atomic weights are called isotopes
When glucose is dissolved in water, the water is the _______________ and the glucose is the ___________
Solvent- Water and Solute- Glucose
Solutions made up of molecules are not chemically bonded and are not limited to specific portions are called
mixtures
Ketones, alcohol, adehyde and organic acid are four of the organic compounds found in all living cells. What do these four classes of organic compounds share
They are chains of carbon atoms with functional groups that contain oxygen