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nekit [7.7K]
4 years ago
14

An element is defined by its number of what?

Chemistry
2 answers:
Alex_Xolod [135]4 years ago
7 0
Number of protons and nucleus of the atom
bonufazy [111]4 years ago
7 0
By its number of protons thank you
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Water is an example of a compound. Which of the following is the best description of all compounds?
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The mass of an object is measured to be 55.6 g. Its volume is measured to be 48.5 mL.
Nezavi [6.7K]

Answer:

1.15 g/mL

Explanation:

The following data were obtained from the question:

Mass (m) = 55.6 g

Volume (V) = 48.5 mL

Density (D) =?

Density is simply defined as the mass of the substance per unit volume of the substance. It is represented mathematically as:

Density (D) = mass (m) /volume (V)

D = m/V

With the above formula, we can obtain the density of the object as follow:

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Density (D) =?

D = m/V

D = 55.6/48.5

D = 1.15 g/mL

Therefore, the density of the object is 1.15 g/mL

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