choose the right answer? choose the right answer? A student performs an experime

Question

choose the right answer?

choose the right answer? A student performs an experiment to determine the density of a sugar solution. He obtains the following results: 1.10 g/mL, 1.71 g/mL, 1.96 g/mL, 1.77 g/mL. If the actual value for the density of the sugar solution is 1.74 g/mL, which statement below, best describes his results? His results arc precise, but not accurate. His results arc both precise and accurate. His results arc accurate, but not precise. It isn't possible to determine with the information given. His results are neither precise nor accurate. Dalton's Atomic Theory states that all elements have several isotopes. that an atom is predominantly empty space. that energy is neither created nor destroyed during a chemical reaction. that the properties of matter are determined by the properties of atoms. that matter is composed of small indestructible particles.

Explanation / Answer

1)dalton atomic thepry states

D)that matter is composed of small indestructible particles

2) B

explanation

dalton atomic theory:

1) All matter is made of atoms. Atoms are indivisible and indestructible.

2) All atoms of a given element are identical in mass and properties

3) Compounds are formed by a combination of two or more different kinds of atoms.

4) A chemical reaction is arearrangementof atoms.

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