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matrenka [14]
3 years ago
7

_____ are two or more elements that have been chemically combined. mixtures compounds atoms colloids

Chemistry
2 answers:
Anna007 [38]3 years ago
5 0

Answer: Option (b) is the correct answer.

Explanation:

When two or more atoms of different elements are chemically combined together in similar composition then the product formed is known as a compound.

For example, NaCl is an ionic compound.

Mixture is the substance in which two or more different components are mixed together in different composition. Components of a mixture never combine chemically.

For example, mud in water is a mixture.

Atom is defined as a single molecule of an element. For example, Na (sodium) atom.

A colloid is defined as a mixture in which insoluble particles are microscopically dispersed and suspended throughout another substance.

For example, milk is a colloid.

Therefore, we can conclude that compounds are two or more elements that have been chemically combined.

Ulleksa [173]3 years ago
3 0
The answer is compound. 

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Explanation:

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          Moles = \frac{mass}{\text{molar mass}}

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According to mole concept, there are 6.023 \times 10^{23} atoms present in 1 mole. So, in 100 mol we will calculate the number of atoms as follows.

        No. of atoms = 100 \times 6.023 \times 10^{23}

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Since, it is given that charge on 1 atom is as follows.

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Therefore, charge present on 6.023 \times 10^{25} atoms will be calculated as follows.

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