Browsing: general properties

Class 12

Transition elements and General Characteristics

By Dr. Vikas JasrotiaNovember 18, 2020

Transition elements and General Characteristics Transition elements and General Characteristics: Introduction The elements lying in the middle of periodic table…

Browsing: general properties

Transition elements and General Characteristics

Question 2.8: What is the number of photons of light with a wavelength of 4000 pm that provide 1 J of energy?

Question 2.7: Calculate the wavelength frequency and wave number of a light wave whose period is 2.0 × 10–10 s.

Class 11 Chemistry Chapter 2 Question 2.1: (i) Calculate the number of electrons which will together weigh one gram. (ii) Calculate the mass and charge of one mole of electrons.

Question 2.4: Write the complete symbol for the atom with the given atomic number (Z) and atomic mass (A)

Question 2.8: What is the number of photons of light with a wavelength of 4000 pm that provide 1 J of energy?

Question 2.7: Calculate the wavelength frequency and wave number of a light wave whose period is 2.0 × 10–10 s.

Class 11 Chemistry Chapter 2 Question 2.1: (i) Calculate the number of electrons which will together weigh one gram. (ii) Calculate the mass and charge of one mole of electrons.