Periodic Table and Its Elements
Quiz by Chong Siew Juin
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10 questions
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- Q1How many valence electrons for Halogens?718210s
- Q2Which of the statement is wrong regarding going down group 1 elements?force of attraction become weakerThe reactivity increasethe molecular size increaseThe boiling point decrease30s
- Q3Which statement is correct while going down group 17 elements?electropositivity increasemolecular size decreaseelectronegativity decreasedensity decrease30s
- Q4Elements in periodic table are arranged by ....number of neutronnucleon numberatomic sizeproton number20s
- Q5Do noble gases share electrons?NoYes20s
- Q6X atom has 8 valence electrons, and 3 shells occupied with electrons. State the electron arrangement of X atom.2.8.82.8.8.82.8220s
- Q7State the colour of bromine solutionbrownpurplecolourlessgreenish yellow30s
- Q8sodium 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 gassodium hydroxide solution and oxygen gassodium hydroxide solution and hydrogen gassodium hydroxide solution and carbon dioxide gas30s
- Q9Do chlorine reacts with iron(III) bromide?YesNo30s
- Q10A has an electron arrangement 2.1, B has an electron arrangement 2.8.1. Choose the correct statements.A is alkaline metals, B is halogensA reacts more vigorously with water than BThe boiling point of B is higher than AB reacts more vigorously with water than A30s