Free Online Mock Chemistry Multiple Choice Test on Periodic properties

Sub Category : Periodic properties

Test : 1

Time Left :

1)	Lothar Meyer plotted a graph showing variation of (1) Atomic volume with increase in atomic number (2) Atomic volumme with increase in atomic weight (3) Atomic radii with increase in atomic weight (4) Atomic weight with increase in atomic number.
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2)	Which element was named EKa-aluminium by Mendeleev? (1) Gallium (2)Scandium (3) Germanium (4) Indium.
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3)	Which of the following statements is not correct about Lothar Meyer's plot of (1) Alkali metals are at the peaks (2) Alkaline eart metals are at the descending portions of the curve (3) Halogens occupy ascending portions of the curve (4) The elements in the troughs are chemically very reactive
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4)	In the long form of peridic table, elements are arranged according to (1) increasing atomic number (2) decreasing atomic number (3) increasing atomic mass (4) decreasing atomic mass.
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5)	Elements in the same vertical group of the periodic table have same (1) number of electrons (2) atomic number (3) number of valence electrons (4)electronic of valence electrons
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