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Periodic Table and Its Elements

Quiz by Chong Siew Juin

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10 questions
Show answers
  • Q1
    How many valence electrons for Halogens?
    7
    1
    8
    2
    10s
  • Q2
    Which of the statement is wrong regarding going down group 1 elements?
    force of attraction become weaker
    The reactivity increase
    the molecular size increase
    The boiling point decrease
    30s
  • Q3
    Which statement is correct while going down group 17 elements?
    electropositivity increase
    molecular size decrease
    electronegativity decrease
    density decrease
    30s
  • Q4
    Elements in periodic table are arranged by ....
    number of neutron
    nucleon number
    atomic size
    proton number
    20s
  • Q5
    Do noble gases share electrons?
    No
    Yes
    20s
  • Q6
    X atom has 8 valence electrons, and 3 shells occupied with electrons. State the electron arrangement of X atom.
    2.8.8
    2.8.8.8
    2.8
    2
    20s
  • Q7
    State the colour of bromine solution
    brown
    purple
    colourless
    greenish yellow
    30s
  • Q8
    sodium reacts with cold water to produce hiss sound and turns the blue litmus paper to red. Which are the products of this reactions?
    sodium oxide and oxygen gas
    sodium hydroxide solution and oxygen gas
    sodium hydroxide solution and hydrogen gas
    sodium hydroxide solution and carbon dioxide gas
    30s
  • Q9
    Do chlorine reacts with iron(III) bromide?
    Yes
    No
    30s
  • Q10
    A has an electron arrangement 2.1, B has an electron arrangement 2.8.1. Choose the correct statements.
    A is alkaline metals, B is halogens
    A reacts more vigorously with water than B
    The boiling point of B is higher than A
    B reacts more vigorously with water than A
    30s

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