The chemical elements of the periodic table sorted by atomic number
The Periodic Table of Elements Quiz Test
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Quiz Questions And Answers
An atom of an element has the electronic configuration [Kr] 5s2 4d10 5p6. Which Period and Group in the Periodic Table does it belong to?
Why is it that the reactivity of Group I metals increases down the group?
Which of the following is correct about Group VII elements?
Why is it that noble gases are often used to fill the empty space in electric bulbs?
Transition metals and their compounds are often used as catalysts in industrial processes. Why is that so?
Element X dissolves in water to give a colourless and odourless gas. It reacts with Cl2 to give a white solid XCl. Which could be the identity of X ?
Which of the halogen below has the strongest oxidising power?
When a halogen Y is added to a colourless solution of potassium iodide, the colourless solution turns brown. Which of the following CANNOT be the identity of Y?
An element Z forms a green compound ZO with oxygen. When exposed to air, the green solid slowly turns red-brown and becomes Z2O3. What property of Z does this show?
The charge of an atom is
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The chemical elements of the periodic table sorted by atomic number : Test Trivia
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