A. Monovalent
B. Divalent
C. Trivalent
D. Tetravalent
Related Mcqs:
- The number of electrons in the outer most orbit of carbon atom is __________?
- When a normal atom loses an electron, the atom
- An atom can be considered as having a dense nucleus of neutrons and protons and a surrounding distribution of electrons. If there are x neutrons y protons and z electrons what sort of relationship exists between x y and z in a small neutral atom? Where ? means approximately equals.
- The hardness of martensite in quenched plain carbon steels reaches almost a saturation value of carbon of about
- Air required for complete combustion of 1 kg of carbon is 11.6 kg. If a fuel contains 88.6% Carbon and 11.4% Hydrogen, the air requirement will
- In plain carbon steel as the percentage of carbon increases from 0.2% to 0.8% which of the following decreases?
- The solid solution carbon in alpha iron obtained on cooling of 0.2% carbon steel which have been heated above the third critical point is called
- The highest percentage of carbon that an iron carbon alloy can have is
- enzyme is_____________??
- The size of Spirochete is_____________??