Metals and Non-metals
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324

Give the formulae of the chlorides of the elements X and Y having atomic numbers of 3 and ...
By Jaiyush19, 4 years ago
replies 1
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314

You can buy solid air fresheners in shops. Do you think these substances are ionic or cova...
By Jaiyush19, 4 years ago
replies 1
0
1
232

The atomic number of an element Y is 16. (a) What must an atom of Y do to achieve the near...
By Jaiyush19, 4 years ago
replies 1
0
1
287

The atomic number of an element X is 12. (a) What must an atom of X do to attain the neare...
By Jaiyush19, 4 years ago
replies 1
0
1
305

The electronic configurations of four particles A, B, C and D are given below : A 2, 8, 8 ...
By Jaiyush19, 4 years ago
replies 1
0
1
136

The electronic configurations of three elements A, B and C are as follows : A 2, 8, 1 B 2,...
By Jaiyush19, 4 years ago
replies 1
0
1
200

An element X of atomic number 12 combines with an element Y of atomic number 17 to form a ...
By Jaiyush19, 4 years ago
replies 1
0
1
341

Four elements A, B, C and D have the following electron arrangements in their atoms : A 2,...
By Jaiyush19, 4 years ago
replies 1
0
1
248

The electronic configurations of two elements A and B are given below : A 2, 6 B 2, 8, 1 (...
By Jaiyush19, 4 years ago
replies 1
0
1
371

An element ‘A’ has two electrons in the outermost shell of its atom and combines with an e...
By Jaiyush19, 4 years ago
replies 1
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