Which characteristic is similar for all elements in Group 17 of the Periodic Table? (Melaka 2020, Q5)

• Form coloured compounds

• High melting and boiling points

• Exist as gas at room temperature

• Dissolve in water to form acidic solution

Which characteristics is correct about elements in Group 1 in the Periodic Table as going down the group? (Perak 2020, Q6)

• The tendency to release electron decreases

• The reactivity decreases

• All are conductor of heat

• All insoluble in water

Which of the following is the correct change in the property of elements across a period in the periodic table of elements? (SBP 2020, Q7)

• the atomic radius increase

• the relative atomic mass decrease

• the number of protons in the atom increase

• the number of valence in the atom decrease

which of the following shows the correct group for the elements in the periodic table? (SBP 2020, Q41)

• X: 2, Y: 15, Z: 13

• X: 2, Y: 13, Z: 15

• X: 13, Y: 15, Z: 2

• X: 15, Y: 2, Z: 13

The boiling point of bromine is lower than iodine. Which statement best explains this phenomenon? (SPMRSM 2020, Q23)

• The atomic size of bromine is smaller

• The number of electrons in bromine is smaller

• The electronegativity of bromine is higher than iodine

• The force of attraction between bromine molecules is weaker

Which of the following is a monoatomic gas? (SPMRSM 2020, Q4)

• Hydrogen

• Chlorine

• Argon

• Nitrogen

Which of the following is not a characteristic of catalyst? (SBP 2020, Q15)

• a catalyst is specific in its reaction

• a catalyst affects the quantity of the products of a reaction

• the chemical property of a catalyst remains unchanged at the end of the reaction

• only a little amount of a catalyst is needed

Diagram show the electron arrangement of compound Q produced when atom P react with atom R. Which of the following are the position of element P and element R in the periodic table on elements? (Terengganu 2020, Q43)

• P Group 2, Period 2, R Group 2, Period 3

• P Group 18, Period 2, R Group 18, Period 2

• P Group 2, Period 3, R Group 16, Period 2

• P Group 16, Period 2, R Group 16, Period 2

Metal Y react with chlorine to form a green solid, YCl2 or brown solid, YCl3. Based on the product of reaction above, where is the position of metal Y in the periodic table element. (Terengganu 2020, Q29)

• Alkali metal group

• Halogen group

• Transition element group

• Noble gases group

Z is located in the same group as neon in the Periodic Table of Elements. Which of the following are the characteristics of Z? (Melaka 2020, Q8)

• Chemically inert

• A monoatomic particle

• Conduct electricity

• Liquid at room temperature