3 years ago

Which hand is negatively changed? A. B. C. D.

Chemistry

1 answer:

Lemur [1.5K]3 years ago

6 0

Answer:

I think B

Explanation:

There are more negative ions than positive ions

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In the SI system of units, the mole is one of seven base units. It is frequently used in chemical calculations. However, a mole

Irina-Kira [14]

Answer

Do you think that the mole should be considered a base unit in the SI system?

The mole is not a base unit on a par with the six property base units; it cannot be used in significant physical–chemical comparisons until the subscript parameter p in mole-of-Ep has been given a certain “value”."

Explanation:

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2 years ago

How many moles are found in 133 g of Mg3 N2

konstantin123 [22]

Magnesium nitride weighs 100.95 g/mol

133/100.95 = 1.32 mols

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3 years ago

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Chlorine reacts with sodium and with hydrogen.

Sonbull [250]

Answer:

Sodium Chloride has Ionic bond while Hydrogen Chloride has covalent bond.

Explanation:

Na has 11 electrons (2, 8, 1) and need to give away 1 electron to be stable

Cl has 17 electrons ( 2, 8, 7) and needs 1 electron to be stable.

Na transfers 1 electron to CL to form Ionic bond.

While

Hydrogen has 1 electron and shares with Chlorine to be stable.

Covalent bond involves sharing.

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3 years ago

How many total atoms are there in one molecule of C145H293O168?

nasty-shy [4]

Answer:

606 atoms

Explanation:

Add the numbers 145 + 293 + 168

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Which isotope is most commonly used in the radioactive dating of the remains of organic materials?

Zarrin [17]

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