3 years ago

How can ionic compounds break into pieces?

1 answer:

7 0

You could simply add water. For example, NaCl is table salt. If you add water, the sodium and chlorine ions will separate thereby breaking the ionic compound intotwo pieces.Apr 3, 2014

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If an atom has 18 protons,17 neutrons,and 19 electrons what is the atom electrical charge?

Natasha_Volkova [10]

Answer:

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Explanation:

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Marcus measured the masses and volumes of samples of four different substances, and he calculated their densities. The table sho

Zina [86]

Given:

Calculated density values-

Aluminum = 2.7 g/cm3

Copper = 9.0 g/cm3

Iron = 7.9 g/cm3

Titanium = 4.8 g/cm3

Unknown sample mass = 9.5 g

Sample volume = 2.1 cm3

To determine:

The identity of the unknown sample

Explanation:

'Density' is a physical parameter which can be used to identify the nature of the unknown substance.

Density = Mass/Volume

For the unknown sample

Density = 9.5 g/2.1 cm3 = 4.52 g/cm3

This matches closely with the calculated density of titanium

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3 years ago