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Ahat [919]
3 years ago
9

What number is equal to the amount of protons and neutrons on the periodic table?

Chemistry
1 answer:
DENIUS [597]3 years ago
7 0

Answer:

The mass number

Explanation:

The mass number of an atom is its total number of protons and neutrons.

I hope this helps a bit.

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A student is determining the density of an unknown metal with a mass of 32.56 g. The student partially fills a graduated cylinde
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Answer:

The metal is Tin (Sn)

Explanation:

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Mass of metal = 32.56 g

Volume of water = 14.78 mL

Volume of water + metal = 20.44 mL

Next, we shall determine the volume of the metal. This is illustrated below:

Volume of water = 14.78 mL

Volume of water + metal = 20.44 mL

Volume of metal =..?

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Volume of metal = 20.44 – 14.78

Volume of metal = 5.66mL

Next, we shall determine the density of the metal.

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Density = Mass / volume

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Density =.?

Density = Mass /volume

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