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Natali [406]
3 years ago
15

Protons characteristics

Chemistry
2 answers:
Katarina [22]3 years ago
5 0
-they are inside the nucleus of an atom
- they have a relative charge of +1
- they have a relative mass of 1
miss Akunina [59]3 years ago
4 0
A proton is a subatomic particle found in the nucleus of every atom. The particle has a positive electrical charge, equal and opposite to that of the electron. ... The number of protons in an element's nucleus is called the atomic number.
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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:

The following data were obtained from the question:

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 =..?

Volume of metal = (Volume of water + metal) – (Volume of water )

Volume of metal = 20.44 – 14.78

Volume of metal = 5.66mL

Next, we shall determine the density of the metal.

Density of a substance is defined as the mass of the substance per unit volume of the substance. Mathematically, the density of a substance is expressed as:

Density = Mass / volume

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Density =.?

Density = Mass /volume

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Density of the metal = 5.75g/mL

Comparing the density of the metal with standard density of elements, the metal is Tin (Sn)

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