Chemistry, 24.11.2020 18:50 krystalhurst97

A hard substance that has a high melting point and is a poor conductor of electricity in the solid phase could be A) CO2
B) Mg
C) NaCl
D) CCl4

Answers: 2

Show answers

Answers

Answer from: AM28

The hard substance that has a high melting point and is a poor conductor of electricity in the solid phase could be NaCl.

Electrolytes

Electrolytes are substances which conduct electricity when in the molten or solution state.

Properties of Electrolytes.They are solids with high melting pointsThey conduct electricity in the molten or solution state. Thus they were poor conductors in the solid state.They are usually acids, salts or bases.Examples are NaCl, KCl, HCl, KOH, etc.Ionic compounds

Ionic compounds are compounds which are composed of oppositely charged ions held together by strong electrostatic forces. Ionic compounds all are electrolytes .

Properties of Ionic compounds They are solids with high melting points They are crystalline in nature They conduct electricity. Examples are NaCl, KCl, etc.

Therefore, the hard substance that has a high melting point and is a poor conductor of electricity in the solid phase could be NaCl.

Learn more about electrolytes and ionic substances at: link

Answer from: bsimon0129

C) NaCl

Explanation:

A hard substance that has a high melting point and is a poor conductor of electricity in the solid phase could be NaCl

This because it is an ionic compound.

Ionic compounds are formed via the electrostatic attraction between oppositely charged ions. Ionic substances have high melting point as solids and as liquids, they have a high boiling point. In aqueous solutions or in molten form, ionic compounds can conduct an electric current using free mobile ions as carriers. In solid state, the ions are arranged into a crystal lattice and will not conduct a current of electricity.

Compounds like NaCl, MgO, NaF are in this category.

Answer from: Quest

output?

explanation:

Answer from: Quest

The answer is b i think

Another question on Chemistry

Chemistry, 22.06.2019 01:30

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

Answers: 2

Answer

Chemistry, 22.06.2019 21:00

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!

Answers: 1

Answer

Chemistry, 23.06.2019 01:00

If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms

Answers: 1

Answer

Chemistry, 23.06.2019 01:30

The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated

Answers: 1

Answer

You know the right answer?

A hard substance that has a high melting point and is a poor conductor of electricity in the solid p...

Questions