Chemistry - Covalent Bonding

Mahmud Darwish
Quiz by Mahmud Darwish, updated more than 1 year ago
Mahmud Darwish
Created by Mahmud Darwish about 2 years ago
3
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Description

Questions about the basics of Covalent Bonding. Here you can find questions about bonding such as "Simple Covalent Molecule, Giant Covalent

Resource summary

Question 1

Question
The [blank_start]electrostatic[blank_end] attraction force between the [blank_start]positive[blank_end] nucleus and [blank_start]negative[blank_end] shared pair of electron.
Answer
  • electrostatic
  • positive
  • negative

Question 2

Question
Which of the following molecules is NOT formed by covalent bonding?
Answer
  • NaCl
  • H2
  • H2O
  • CH4
  • O2

Question 3

Question
Simple Covalent Molecule: - Contains a [blank_start]few[blank_end] atoms. - Generally [blank_start]liquid[blank_end] and gas at room temperature, but if [blank_start]solid[blank_end] brittle in nature. - have [blank_start]weaker[blank_end] van der waal force between molecules. - have low melting point and [blank_start]boiling point[blank_end]. - do not dissolve in [blank_start]water[blank_end] but inorganic solvent. - do not conduct [blank_start]electricity[blank_end].
Answer
  • few
  • liquid
  • solid
  • weaker
  • boiling point
  • water
  • electricity

Question 4

Question
Covalent (Simple) Molecules have a low melting point and boiling point. - Simple covalent molecules have [blank_start]strong[blank_end] covalent bond within the atoms. - However, they have [blank_start]weaker[blank_end] inter-molecular attraction force, known a Van der Waal force. - So it requires [blank_start]small[blank_end] energy to break the attraction force. Covalent molecules do not dissolve in water. - Covalent molecules are mostly [blank_start]non-polar[blank_end]. Water is a [blank_start]polar compound[blank_end]. - Non-polar molecules like H2, Cl2, N2 and CH4 will [blank_start]not be dissolved[blank_end]. - However some molecules like HCl, NH [blank_start]will be dissolved[blank_end].
Answer
  • strong
  • weaker
  • stronger
  • big
  • small
  • non-polar
  • polar
  • polar compound
  • non-polar compound
  • not be dissolved
  • be dissolved
  • will be dissolved
  • will not be dissolved
  • weak
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