Which of the following does the nucleus of an atom consists of?
A). Protons and neutrons
B). Protons and electrons
C). Electrons
D). Protons
Protons and neutrons
The nucleus of an atom consists of neutrons and protons, which in turn are the manifestation of more elementary particles, called quarks, that are held in association by the nuclear strong force in certain stable combinations of hadrons, called baryons.
2. Which of the following is also known as the Biochemical Laboratory of the Human Body?
3. Which of the following elements has the lowest melting point?
4. The items amenable to detection by soft x-rays are
5. Haloarenes are more stable than haloalkanes due to
6. The depletion in Ozone layer is caused by .
7. A subshell with l = 2 can take up
9. Two elements which can form a large number of compounds are
10. Question 5.2:Why does physisorption decrease with the increase of temperature?