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3 years ago

Why does carbon, C, have a larger atomic mass than boron, B, even though the

2 answers:

8 0

Carbon is chemical element denoted by the symbol C, have a larger atomic mass than boron, B, even though the each have six neutrons is due to the difference in the amount of protons.

<u>Explanation:</u>

Atomic mass is defined as the total mass of protons, electrons and neutrons, where due to less weightage electrons are neglected in calculation. Boron has 5 number of protons where carbon has 6 number of protons. As carbon has one more proton than boron, its value of atomic mass varies with boron.

scZoUnD [109]3 years ago

3 0

Answer:

Because carbon has one more proton than boron. Carbon has six and Boron has five.

Explanation:

Because it has more subatomic particles. It has one more proton, one more neutron (usually), and one more electron than boron.

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Which would be the best way to represent the concentration of a 1. 75 M K2CrO4 solution? 1. 75% K2CrO4 [K2CrO4] (K2CrO4) K2CrO4,

tekilochka [14]

The amount of the solute present in the given solution is called the concentration. The best way to represent the concentration of the solution is $\rm [K_{2}CrO_{4}].$

<h3>What is molar concentration?</h3>

Molar concentration is the molarity of the solution that is the measure of the concentration of the solute dissolved in the solution.

The formula for calculating molar concentration is given as,

$\rm Molarity = \dfrac{\text{moles of solute}}{\text{Solution in L}}$

The concentration of any substance is represented in the square bracket like $\rm [X]$ or $\rm [K_{2}CrO_{4}].$

Therefore, option B. $\rm [K_{2}CrO_{4}]$ is the representation of the concentration.

Learn more about the molarity here:

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2 years ago

Is the bond C=O polar or non polar

rewona [7]

Answer:

Non Polar

Explanation:

Non Polar molecule because of its linear symmetric shape

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3 years ago

How do you know if an atom is stable?

MArishka [77]

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3 years ago

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ankoles [38]

Answer:

Explanation:

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3 years ago

List one benefit and one limitation of using scientific models.

Schach [20]

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Although, having many benefits, models have quite a number of disadvantages. Models sometimes oversimplify the process therefore leading to a misunderstanding. As models are supposed to be a simplified representation, they will not be complex, which means they will lack detail. For Example “our particle model explains many things about matter, it is not comprehensive — for example, it cannot predict why certain materials have different electrical properties. We could add further refinements that are outside the scope of this course to enable it to do so, but it would make our model so complicated that it would no longer be useful to us”

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3 years ago