Quiz  /  Valence electrons Class 11 MCQ Questions With Answers

  • 1. 
    How many valence electrons does sulfur have?

  • 2
  • 4
  • 6
  • 8

  • 2. 
    Which of the following elements has six valence electrons?

  • scandium
  • selenium
  • strontium
  • sodium

  • 3. 
    Which of the following elements has four valence electrons?

  • barium
  • sulfur
  • iodine
  • tin

  • 4. 
    Which of these elements has 7 valence electrons?

  • bromine
  • boron
  • barium
  • bismuth

  • 5. 
    How any valence electrons does strontium have?

  • 1
  • 2
  • 4
  • 6

  • 6. 
    Which of the following elements has one valence electron?

  • chlorine
  • sodium
  • tin
  • oxygen

  • 7. 
    Which of these elements has five valence electrons?

  • carbon
  • sodium
  • arsenic
  • argon

  • 8. 
    How many valence electrons does chlorine have?

  • 2
  • 3
  • 6
  • 7

  • 9. 
    Select the elements that has 8 valence electrons.

  • Ne
  • Kr
  • Xe
  • All Of above

  • 10. 
    Valence electrons plays a key role in chemical reactions and it increases from left to right of the periodic table.

  • TRUE
  • FALSE

  • 11. 
    Ga has _______ valence electrons.

  • 1
  • 2
  • 3
  • 4

  • 12. 
    How many valence electrons does Na have?

  • 1
  • 5
  • 6
  • 11

  • 13. 
    TRUE OR FALSE Lithium and Beryllium have the same number of valence electron.

  • TRUE
  • FALSE

  • 14. 
    Chlorine ( Cl) has _________ valence electrons.

  • 3
  • 5
  • 7
  • 8

  • 15. 
    The atomic mass of Titanium is 48 and its proton is 22, therefore its number of neutron is ________

  • 22
  • 24
  • 26
  • 70

  • 16. 
    What is the chemical symbol for Potassium?

  • Po
  • P
  • K
  • Pm

  • 17. 
    Identify the Electron Configuration for Aluminum (Al)

  • 1s2 2s2 2p6 3s2 3p1
  • 1s2 2s2 2p6 3s2 3p3
  • 1s2 2s2 2p6 3s2 4p1

  • 18. 
    The elements in this group all have 5 valance electrons.

  • Group 5
  • Group 15
  • Group 3
  • Group 18

  • 19. 
    What atom matches this electron configuration?1s22s22p63s23p64s23d10

  • Zinc
  • Copper
  • Nickel
  • Germanium

  • 20. 
    What electron configuration matches an oxygen atom?

  • 1s22s22p63s2, 3p64s23d104p5
  • 1s22s22p4
  • 1s22s22p6
  • 1s22s22p63s23p64s23d1

  • 21. 
    This is a correct dot diagram for oxygen (O)

  • true
  • false

  • 22. 
    Valence electrons are located...

  • inside the nucleus
  • in outer space
  • on the outermost orbit of an atom

  • 23. 
    This is a correct dot diagram for fluorine (F)

  • true
  • false

  • 24. 
    Which of the following elements has two valence electrons?

  • potassium
  • fluorine
  • helium
  • aluminum
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