Periodic Table and periodicity of Properties
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Periodic Table and periodicity of Properties
Quiz
The modern periodic table is arranged in order of increasing:
? Atomic number? Atomic mass? Number of neutrons? Number of electrons
Elements in the same group of the periodic table have similar:
? Atomic masses? Chemical properties? Number of protons? Number of neutrons
The element located at the top of Group 18 (VIII A) of the periodic table is:
? Helium? Neon? Argon? Krypton
Which group of elements are known as alkali metals?
? Group 1 (I A)? Group 2 (II A? Group 17 (VII A)? Group 18 (VIII A)
The most reactive metals are found in which group of the periodic table?
? Group 1 (I A)? Group 2 (II A)? Group 17 (VII A)? Group 18 (VIII A)
Elements in the same period of the periodic table have the same number of:
? Neutrons? Protons? Electron shells? Isotopes
Which of the following is a property of metals?
? Brittle? Non-conductors of electricity? Dull in appearance? Good conductors of heat and electricity
The element with atomic number 1 in the periodic table is:
? Hydrogen? Helium? Lithium? Sodium
The elements in Group 17 (VII A) are known as:
? Alkaline earth metals? Transition metals? Halogens? Noble gases
Which group of elements are known as noble gases?
? Group 1 (I A)? Group 2 (II A)? Group 17 (VII A)? Group 18 (VIII A)
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