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Sidana [21]
4 years ago
14

Check all of the statements that are true.

Chemistry
1 answer:
garri49 [273]4 years ago
6 0

Answer:

None of these statements are true

Explanation:

(a)

Heavier and large molecules or atoms exhibit greater dispersion force than lighter ones due to easily form temporary dipoles by large molecule.

(b)

Compounds with hydrogen bonding usually have higher boiling point than that of similar compound without hydrogen bonding,

Because boiling point of a compounds depends on force of attraction between the molecules.

(c)

Non polar compounds usually have lower boiling points than polar compounds of similar mass due to dipole dipole attractive force of polar compound.

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Answer:

It would have a charge of +2.

Explanation:

A proton has a charge of +1, an elctron has a charge of -1, and a neutron has a charge of 0. Ignore the neurons since they have a charge of 0. Since there are 20 protons and 18 electrons (20-18), the overall charge of the atom is +2.

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4 years ago
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usually if you can separate the mixture/particles it is heterogenous.  For example, pizza is heterogenous because you can separate the dough from the tomato sauce from the cheese.  vinegar is homogenous (cannot separate mixture)

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Both molarity and formality express concentration as moles of solute per liter of solution. Formality is a substance's total concentration in solution without regard to its specific chemical form. ... The formality of a solution is defined as the number of formula mass of any solute dissolved in 1 litre of solution.

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