Periodic table Test 7 (chemistry) Welcome to your Periodic table Test 7 (chemistry) Name Email 1.Which of the following is NOT a noble gas? (a) Neon (b) Krypton (c) Argon (d) Oxygen None 2.As per Newlands’ Octaves, which of the following has the same properties as sodium? (a) Beryllium (b) Magnesium (c) Potassium (d) Lithium None 3.Which of the following is the chemical symbol of Curium? (a) Cr (b) Cm (c) Ci (d) Cu None 4.Which one of the following is NOT a halogen element? (a) Fluorine (b) Iodine (c) Selenium (d) Astatine None 5.Alkali metals react vigorously with cold water resulting in the displacement of ______. (a) nitrogen (b) hydrogen (c) oxygen (d) carbon dioxide None 6.The Periodic Law as we know it today owes its development to: (a) Niels Bohr (b) Ernest Rutherford (c) Dmitri Mendeleev (d) JJ Thomson None 7. Which of the following is known as alkaline earth metal? (a) Magnesium (b) Cobalt (c) Copper (d) Platinum None 8.The horizontal rows in the modern periodic table are called: (a) clusters (b) periods (c) groups (d) families None 9.In the periodic table, the highly electronegative halogens and the highly electropositive alkali metals are separated by: (a) Noble metals (b) Rare earth elements (c) Alkaline earth metals (d) Noble gases None 10.The elements of the groups 3 to 12 are called ______ elements or transition elements. (a) c-block (b) a-block (c) d-block (d) b-block None 11. Of the known elements in the periodic table, only ______ are gases under normal atmospheric conditions. (a) 10 (b) 13 (c) 11 (d) 12 None 12.Halogens have ______ electrons in their outermost shells. (a) eight (b) seven (c) five (d) six None 13.Which scientist arranged the Periodic Table of Elements in the order of increasing atomic masses? (a) Robert Boyle (b) Henry Moseley (c) William Ramsay (d) Dmitri Mendeleev None 14.Potassium is a chemical element with the symbol: (a) Na (b) S (c) Ca (d) K None 15.Among the given elements, which comes first in the periodic table of elements? (a) Sodium (b) Neon (c) Potassium (d) Silicon None 16.Noble gas belongs to which of the following groups of the periodic table ? (a)16 (b)18 (c)13 (d)15 None 17.Which of the following elements has the lowest electronegativity? (a)Osmium (b)Francium (c)Hydrogen (d)Tungsten None 18.. How many elements are there in the periodic table such that for every element name there is a single alphabet that symbolically represents it ( for example, B-Boron, C-Carbon etc.)? (a)10 (b)17 (c)7 (d)14 None 19.What is the symbol of element Lead? (a)S (b)Ag (c)Pb (d)K None 20.Which of the following is not a metal ? (a)Iron (b)Copper (c)Tin (d)Selenium None 21. Graphene is (a)Isotope of Boron (b)An alloy of iron (c)Allotrope of Carbon (d)An alloy of tin None 22.Molecular mass of Sulphurous acid is: (a)96.04 (b)98.07 (c)87.06 (d)82.07 None 23.Who among the following gave the "Law of Octaves"? (a) Lavoisier (b) Mendeleev (c) Newlands (d) Dobereiner None 24. In his periodic table, Mendeleev could NOT assign a correct position to ________. (a) Oxygen (b) Carbon (c) Nitrogen (d) Hydrogen None 25.Which of the following elements is a lanthanide? (a) Actinium (b) Francium (c) Cerium (d) Polonium None 26. Which of the following elements is an actinide? (a) Ytterbium (b) Lutetium (c) Curium (d) Erbium None Time's up
