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6 questions
Show answers
  • Q1

    Electrons do not orbit around the nucleus of an atom in neat planet orbits but instead move at high speeds in an electron cloud.

    boolean://True

    20s
    STEM_GC11AMIc-e-19
  • Q2

    Atoms of the same element which have a different number of neutrons are called:

    scrambled://ISOTOPES

    20s
    STEM_GC11AMIc-e-19
  • Q3

     What is a subatomic particle with a positive charge that is in the nucleus of an atom?

    Proton

    valence electron

    neutron

    electron

    20s
    STEM_GC11AMIc-e-19
  • Q4

    What is the atomic number of this atom?

    Question Image

    1

    3

    4

    7

    20s
    STEM_GC11AMIc-e-19
  • Q5

    What is the evidence of Chemical change?

    melting of ice

    shredding paper

    boiling water

    multiplem://burning of wood:rusting of iron:digestion of food

    20s
    STEM_GC11AMIc-e-19
  • Q6

    Arrange the following sequences according to a correct trend in ionization energy.  Al,S,Cl,P

    jumble://Cl,S,P,Al

    20s
    STEM_GC11AMIc-e-19

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