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4 years ago Jaiyush19 class 10 metals non metals lakhmir singh Explain why iron sheets are coated with zinc. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh Name the metal which is used for galvanising iron. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh What is meant by galvanisation? Why is it done? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh State two ways to prevent the rusting of iron. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh What chemical process is used for obtaining a metal from its oxide? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh A zinc ore gave CO2 on treatment with a dilute add. Identify the ore and write its chemical formula. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh Give the formulae of the chlorides of the elements X and Y having atomic numbers of 3 and 6 respectively. Will the properties of the two chlorides be similar or different? Explain your answer. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh You can buy solid air fresheners in shops. Do you think these substances are ionic or covalent? Why? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh The atomic number of an element Y is 16. (a) What must an atom of Y do to achieve the nearest inert gas electron arrangement? (b) Which inert gas is nearest to Y? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh The atomic number of an element X is 12. (a) What must an atom of X do to attain the nearest inert gas electron configuration? (b) Which inert gas is nearest to X? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh The electronic configurations of four particles A, B, C and D are given below : A 2, 8, 8 B 2, 8, 2 C 2, 6 D 2, 8 Which electronic configuration represents : (i) magnesium atom? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh The electronic configurations of three elements A, B and C are as follows : A 2, 8, 1 B 2, 8, 7 C 2, 4 (a) Which of these elements is a metal? (b) Which of these elements are non-metals? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh An element X of atomic number 12 combines with an element Y of atomic number 17 to form a compound XY2. State the nature of chemical bond in XY2 and show how the electron configurations of X and Y change in the formation of this compound. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh Four elements A, B, C and D have the following electron arrangements in their atoms : A 2, 8, 6 B 2, 8, 8 C 2, 8, 8, 1 D 2, 1 (a) What type of bond is formed when element C combines with element D? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh The electronic configurations of two elements A and B are given below : A 2, 6 B 2, 8, 1 (a) What type of chemical bond is formed between the two atoms of A? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh An element ‘A’ has two electrons in the outermost shell of its atom and combines with an element ‘B’ having seven electrons in the outermost shell, forming the compound AB2. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh In the formation of a compound XY2 atom X gives one electron to each Y atom. What is the nature of bond in XY2? Give two properties of XY2. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh The electronic configurations of three elements X, Y and Z are as follows : X 2, 4 Y 2, 1 Z 2, 1 (a) Which two elements will combine to form an ionic compound? 4 years ago Jaiyush19 class 10 metals non metals lakhmir singh Page 4 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
