Share Facebook Email Telegram WhatsApp Results #1. In the periodic table, the element with atomic number 16 will be placed in the group ___________. Third Third Fourth Fourth Fifth Fifth Sixth Sixth #2. The group number, number of valence electrons, and valency of an element with the atomic number 15, respectively , are _________. 16, 5 and 2 16, 5 and 2 15, 5 and 3 15, 5 and 3 16, 6 and 3 16, 6 and 3 15, 6 and 2 15, 6 and 2 #3. Which of the following element will become stable after losing and electron? Helium Helium Iodine Iodine Sodium Sodium Oxygen Oxygen #4. Contain 9 Protons, 10 electrons and 11 neutrons . It is __________. A neutral atom A neutral atom An Isotope An Isotope A cation A cation An anion An anion #5. Which pair of elements belongs to same group? Elements with atomic no 17 and 38 Elements with atomic no 17 and 38 Elements with atomic no 20 and 40 Elements with atomic no 20 and 40 Elements with atomic no 17 and 53 Elements with atomic no 17 and 53 Elements with atomic no 11 and 33 Elements with atomic no 11 and 33 #6. What is the total number of electrons in the Chlorine molecule? 17 17 34 34 18 18 16 16 #7. Which among the following is not a property of ionic bond? Losing of electrons Losing of electrons Gain of electrons Gain of electrons Sharing of electrons Sharing of electrons Transfer of electrons Transfer of electrons #8. The reason of bonding in ionic compounds is ________. Sharing of electrons Sharing of electrons Repulsion force Repulsion force Attraction force Attraction force None of these None of these #9. A molecule of _______ Contains a triple bond. Sulphur Sulphur Nitrogen Nitrogen Carbon Carbon Oxygen Oxygen #10. Which of the following is not a typical property of an ionic compound? High melting point High melting point Conducts electricity in the molten and in the aqueous solution state Conducts electricity in the molten and in the aqueous solution state They are soluble in water They are soluble in water They are insoluble in water They are insoluble in water Finish
