Have an account?
Skip to Content
Build your own quiz
20 questions
Show Answers
See Preview
- 1. Multiple Choice
Which of the following correct for members in Group 18.
H, Ne, Kr, Ar, Rn, Xe
He, Ne, Rn, Kr, Ar, Xe
He, Na, Rn, K, Ar, Xe
H, Ne, Rb, Kr, Ar, Xe
- 2. Multiple Choice
As going down Group 18, melting point
Increase
Decrease
- 3. Multiple Choice
Elements in Group 18 exist in nature as a
Solid
Liquid
Gas
- 4. Multiple Choice
Group 18 elements are chemically inert because
They achieved stable electron octet arrangement
It will not accept, donate or share electron
It is monoatomic in nature
- 5. Multiple Choice
Which of the followings is incorrect on physical property as going down Group 17
Melting & boiling point increase
Density increase
Colour becomes lighter
State of matter change from gas to liquid to solid
- 6. Multiple Choice
Which statements is correct about the alkali metals when going down Group 1 in the Periodic Table?
The reactivity decreases
Strength of nucleus to attract an electron into the valence shell increases
Electropositivity decreases
The single valence electron becomes more weakly pulled by the nucleus
- 7. Multiple Choice
Group 1 elements are also known as
Noble gas
Halogen
Alkaline earth metals
Alkali metals
- 8. Multiple Choice
Group 1 elements only form ….. Ion
1+
1-
2+
2-
- 9. Multiple Choice
What gas is given off when group 1 elements reacts with water?
Hydrogen
Oxygen
Carbon dioxide
Helium
- 10. Multiple Choice
Why does the reactivity of group 1 elements increases down the group?
It becomes more reactive
It becomes easier to accept an electron
It becomes easier to lose an electron
It becomes less reactive
- 11. Multiple ChoiceWhich of the following is the most reactive in water?LithiumSodiumPotassium
- 12. Multiple ChoiceWhich of the following is NOT an alkali metalLiClKCs
- 13. Multiple ChoiceWhen an alkali metal reacts with water, the hydroxide produced dissolves to form and alkaline solution, True or False?TrueFalse
- 14. Multiple Choice
Name group 2 on the periodic table.alkali metalsalkaline earth metalsnoble gasestransition metals - 15. Multiple Choice
All elements of Group 14 in the Periodic Table form two oxides. Which statement is true about the oxides?
The oxides with +4 oxidation state react with alkali.
The thermal stability of the oxides with +2 oxidation state decreases down the group
The oxides with +2 oxidation state change from acidic to amphoteric down the group
The oxides with +2 oxidation state are less stable than the oxides with +4 oxidation state
- 16. Multiple Choice
The melting point of carbon, silicon and germanium are shown in the table below.The melting point decreases from carbon to germanium because the
strength of covalent bonds decrease
van der Waals forces decrease
electrical conductivity increases
atomic mass increases
- 17. Multiple Choice
The symbol for helium is
H
He
Hl
Hm
- 18. Multiple Choice
Argon (proton number =18) is inert to any chemical reaction because
It is light
it is located in Group 18
it has achieved stable duplet electron arrangement
it has achieved stable octet electron arrangement
- 19. Multiple Choice
Which of the following is a solid at room temperature?
Fluorine
Chlorine
Bromine
Iodine
- 20. Multiple Choice
Reactivity of halogen decreases going down the group because
The 8th electron difficult to attract by nucleus
Atomic size decreases down the group
Electrons are closer to the nucleus
Screening effect decreases
- Answer choicesTagsAnswer choicesTags