Quiz  /  Covalent Bonding Class 10 MCQ Questions With Answers

  • 1. 
    Carbon is in 4A, so how many bonds can it form based on electrons needed to fill its outer shell?

  • 1
  • 3
  • 4
  • 5

  • 2. 
    Molecules

  • Ionic compounds
  • Covalent compounds

  • 3. 
    Poor electrical conductivity

  • Ionic compounds
  • Covalent compounds

  • 4. 
    What is the ionic compound formed between Ba and P?

  • Ba2P3
  • Ba3P2
  • BaP
  • Ba2P2

  • 5. 
    Which of these would be covalently bonded?

  • Sodium, Na and potassium, K
  • Magnesium, Mg and oxygen, O
  • Fluorine, F and chlorine, Cl
  • Helium, He and argon, Ar

  • 6. 
    What is the VSEPR theory used to predict?

  • Bond Strength
  • Polarity
  • Molecular Shape
  • Electronegativity

  • 7. 
    What is the charge on an Aluminum ion?

  • 3
  • +3
  • +2
  • +1

  • 8. 
    Which of the following is the best representation of a molecule of fluorine (F2)?

  • A
  • B
  • C
  • D

  • 9. 
    Many _____ exist as diatomic molecules.

  • alkali metals
  • semi-metals
  • transition metals
  • non-metals

  • 10. 
    Which molecule would have this shape?

  • BF3
  • CH4
  • PCl5
  • CO2

  • 11. 
    Conducts electricity well when melted or dissolved

  • Ionic compounds
  • Covalent compounds

  • 12. 
    What kind of bonds are shown here?

  • Covalent
  • Ionic

  • 13. 
    NH3 has how many lone pairs?

  • 0
  • 1
  • 2
  • 3

  • 14. 
    Generally, atoms form bonds so that _______________.

  • Each atom loses its electrons
  • Each atom has a stable electron configuration
  • Each atom has an unstable electron configuration
  • Each atom gains electrons

  • 15. 
    Name the following compound: FeCl3

  • iron chloride
  • iron III chloride
  • iron chlorate
  • iron III chlorate

  • 16. 
    How many covalent bonds does carbon need to form in order to have a full octet?

  • 2
  • 3
  • 4
  • 5

  • 17. 
    Which of the following elements needs to bond 3 times?

  • Oxygen, O
  • Phosphorous, P
  • Fluorine, F
  • Silicon, Si

  • 18. 
    Name CCl4

  • carbon carbon tetraiodide
  • carbon tetrachloride
  • monocarbon tetrachloride
  • water

  • 19. 
    Which element below is not diatomic?

  • hydrogen
  • oxygen
  • nitrogen
  • sulfur

  • 20. 
    Which of the following is a Diatomic Molecule?

  • K2
  • C2
  • S2
  • N2

  • 21. 
    What bond is formed between a metal and a nonmetal?

  • Covalent bond
  • Ionic bond
  • Hydrogen bond
  • Metallic bond

  • 22. 
    What is the formula for diphosphorus pentoxide?

  • P2O5
  • PO5
  • P5O2
  • P2O6

  • 23. 
    A covalent bond in which electrons are shared unequally is:

  • polar
  • a double bond
  • ionic
  • polyatomic

  • 24. 
    A covalent compound has.....

  • Two nonmetals
  • A metal and a nonmetal
  • A metal and a polyatomic ion
  • Two metals

  • 25. 
    Which would be the only situation where valence electrons would be shared evenly?

  • metals and nonmetals
  • different nonmetals
  • nonmetals of the same element
  • metalloids of the same element

  • 26. 
    Name the following ionic compound: NaF

  • nitrogen fluorine
  • sodium fluoride
  • nitrogen fluoride
  • sodium fluorine

  • 27. 
    A(n) _________ is an ion with a positive (+) charge.

  • anion
  • cation
  • ion
  • solute

  • 28. 
    An ionic bond happens between what kinds of elements?

  • metals and metals
  • metals and nonmetals
  • nonmetals and nonmetals
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