1. What is the basic theme of organisation in the periodic table? Ans : The primary idea of the periodic table’s organisation is to organise elements into periods and groups based on their qualities. This arrangement simplifies…
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World of Learning
Here's What Happening in The
World of Learning
1. What is the basic theme of organisation in the periodic table? Ans : The primary idea of the periodic table’s organisation is to organise elements into periods and groups based on their qualities. This arrangement simplifies…
Question 1.(i) Calculate the number of electrons which will together weigh one gram.(ii) Calculate the mass and charge of one mole of electrons.Answer:(i) Mass of an electron = 9.1 × 10-28 g9.1 × 10-28 g is the mass of =…
A. 156900 s B. 172800 s C. 177800 s D. 160000 s Here we’re going to find out the answers using unit factor method or dimensional analysis, or sometime may refer as factor label method. As we…