परमाणु एवं अणु - L12 | Atoms and Molecules| अणुभार | CLASS 9 विज्ञान | 7 PM Nishtha mam

Atom(परमाणु )|Molecule(अणु)|Structure Of Atoms(परमाणुओं की संरचना)|Summary

Atom(परमाणु)|Molecule(अणु)|Structure Of An Atom(परमाणु की संरचना)|Electron, Proton, Neutron|Summary

In a crude model of a rotating diatomic molecule of chlorine (Cl_2) , the two (C l) atoms are 2.0 xx 10^-10 m apart and rotate about their centre of mass withb angular speed omega = 2.0 xx 10^12 "rad" //s . What is the rotational kinetic energy of one molecule of C l_(2) , Which has a molar mass of 70.0 g // mol ? .

Matters (पदार्थ)|Atom (परमाणु)|Molecule (अणु)|Structure Of An Atom (परमाणु की संरचना)|Summary

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am

The above Venn diagram represent the students who play 3 sports M, N and L in a class Total number of students who play N & L but not M game is: Options are (a) 15 (b) 68 (c) 9 (d) 12.

In chemistry, 'mole' is an essential tool for the chemical calculations. It is a basic SI unit adopted by the 14^(th) general conference on weights and measurements in 1971. A mole contains as many elementary particles as the number of atoms present in 12 g of ""^(12)C . 1 mole of a gas at STP occupies 22.4 litre volume. Molar volume of solids and liquids is not definite. Molar mass of a substance is also called gram-atomic mass or gram molecular mass. The virtual meaning of mole is plenty, heap or the collection of large numbers. 1 mole of a substance contains 6.022 xx 10^(23) elementary particles like atom or molecule. Atomic mass unit (amu) is the unit of atomic mass, e.g., atomic mass of single carbon is 12 amu. XL N_(2) , gas at STP contains 3xx10^(22) molecules. The number of molecules in x L ozone at STP will be

K walked at 3 kmph for a certain distance with L and thereafter at 6 kmph with M to cover a total distance of 27 km in 7 hours. Find the distance travelled with M. A. 15 km B. 12 km C. 10 km D. 9 km

which of the given statement(s) is /are false ? (P) orbital angular momentum of the azimuthal quantum number as lowest for this principle quantum number si (h)/(pi) , (Q) if n=3 ,l=0 ,m=0 for the last valence shell electron ,them the possble atomic number may be 12 or 13 . (R ) total spain of electrons for the atom _(25) Mn is +-(7)/(2) . (S ) spin magnetic moment of inert gas is zero .