The outermost electronic configuration of A is 2s^2 2p^2 (Symbols are not real) a) Find the group number, block of this element. b) Write the chemical formula of the compound obtained by the reaction of A and chlorine. c) Write down the complete subshell electronic configuration of the element coming just below A in the same group of the periodic table?

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?