" (a) What does the figure "9" indicate? "

An atom of an element X may be written as ._(4)^(9)X What does the figure 9 indicate ? (b) What does the figure 4 indicate ? (c) What is the number of protons in atom X ? (d) What is the number of neutrons in atom X ? (e) What is the number electron in atom X ? (f) How many electrons are there in the outermost shell of an atom of element X ? (g) Write the symbol of ion formed by an atom of element X.

What does the diagram indicate ?

What does the Lorenz curve indicate?

MULTIPLE CHOICE QUESTION Look at the figure and answer the questions What does the picture indicate ?

What are carbon resistors ? What does the colour indicate ?