What is an element?

2 answers:

8 0

Answer:
Each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and primary constituents of matter are called element. Each element is distinguished by its atomic number, i.e. the number of protons in the nuclei of its atoms.

Hope it helps u!

Andrews [41]3 years ago

5 0

Answer:

An element is a pure substance that cannot be converted further into anything simpler than itself by physical or chemical process

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If 2.1 moles of NaCl is dissolved in a solution with a total volume of 7.3 liters, what is the molarity of the solution? Round t

Arturiano [62]

Answer:

The molarity of the solution is 0.29 $\frac{moles}{liter}$

Explanation:

Molarity, or molar concentration, is a measure of the concentration of a solute in a solution, be it some molecular, ionic or atomic species. It is defined as the number of moles of solute that are dissolved in a given volume.

Molarity is calculated as the quotient between the number of moles of solutes and the volume of the solution:

$Molarity=\frac{number of moles of solute}{volume}$