10th Standard Science Chapter 5 November 26, 2020December 19, 2020wefru 10th Standard Science Chapter 5 Quiz. how much you know or you don’t know, test here. quiz contains only 10 questions there no time limit. 0 Created on November 26, 2020 By wefru 10th Standard Science Chapter 5 TEST YOUR SKILLS 1 / 10 Q1. How many periods and groups are present in the periodic table? a) 7 periods and 18 groups b) 8 periods and 7 groups c) 7 periods and 7 groups d) 8 periods and 8 groups 2 / 10 Q2. Which of the following forms the basis of the modern periodic table? a) Atomic mass b) Atomic number c) Number of nucleons d) All of these 3 / 10 Q3. What happens to the electropositive character of elements on moving from left to right in a periodic table? a) Increase b) Decreases c) First increases than decreases d) First decreases than increases 4 / 10 Q4. The electronic configuration of an element M is 2, 8, 4. In modern periodic table, the element M is placed in a) 4th group b) 2nd group c) 14th group d) 18th group d) 18th group Answer: (c) 14th 5 / 10 Q5 Which of the following is the correct order of the atomic radii of the elements oxygen, fluorine and nitrogen a) O < F < N b) N < F < O c) O < N < F d) F < O < N 6 / 10 Q6. What is the other name for group 18thelements? a) Noble gases b) Alkali metals c) Alkali earth metals d) Halogens 7 / 10 Q7. Which of the following is the most reactive element of the group 17? a) Oxygen b) Sodium c) Fluorine d) Magnesium 8 / 10 Q8. Element X forms a chloride with the formula XCl2, which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as a) Na b) Mg b) Mg d) Si 9 / 10 Q9. Which group elements are called transition metals? a) Group number 1 to 2 b) Group number 13 to 18 c) Group number 3 to 12 d) Group number 1 to 8 10 / 10 Q10. Which of the following elements has 2 shells and both are completely filled? a) Helium b) Neon c) Calcium d) Boron Your score isThe average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz