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sertanlavr [38]
3 years ago
15

What are two properties of most nonmetals

Chemistry
2 answers:
love history [14]3 years ago
5 0

Answer:

The two properties of most non metals are high ionization energy and poor electrical conductivity. The correct option among all the options that are given in the question is option "1". In general it is known that nonmetals are very poor conductors of heat and electricity. The nonmetals that are solid are normally very brittle and has very little or no metallic luster at all. Nonmetals are highly reactive and show variety of chemical properties. It can also be pointed out that the nonmetals gain electrons very easily.

brainliest pleaseee :)

vekshin13 years ago
3 0

Answer: Summary of Common Properties

  • High ionization energies.
  • High electronegativities.
  • Poor thermal conductors.
  • Poor electrical conductors.
  • Brittle solids—not malleable or ductile.
  • Little or no metallic luster.
  • Gain electrons easily.
  • Dull, not metallic-shiny, although they may be colorful.

Explanation:

<u><em>May I please have brainiest?</em></u>

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How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction SiO2(g) + 3C(s) → Si
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31.24 kJ

Explanation:

  • SiO₂(g) + 3C(s) → SiC(s) + 2CO(g)        ΔH° = 624.7 kJ/mol

First we <u>convert 3.00 grams of SiO₂ to moles</u>, using its <em>molar mass</em>:

  • 3.00 g SiO₂ ÷ 60.08 g/mol = 0.05 mol

Now we <u>calculate the heat absorbed</u>, using the <em>given ΔH°</em>:

If the complete reaction of 1 mol of SiO₂ absorbs 624.7 kJ, then with 0.05 mol:

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Please help with chemistry homework (I’ll mark brainliest!)
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Answer:

You answer is correct

Electrons have a negative charge. The charge on the proton and electron are exactly the same size but opposite. Neutrons have no charge.

Thank you and please rate me as brainliest as it will help me to level up

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