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word bank:
acid, atomic number, base, buffer, chemical bond, chemical reaction, crystalline, ionic bond, isotope, matter, neutron, ph, polar molecule, radical, radioactive

a(n) of an atom has the same atomic number but a different atomic mass.

An isotope of an atom has the same atomic number but a different atomic mass

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

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