A. 3
B. 4
C. 6
D. 7
Related Mcqs:
- 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.
- In an atom the electrons
- An atom containing an odd number of electrons is said to be
- Carbon atom is_____________??
- The substances which have a large number of free electrons and offer a low resistance are called __________?
- When a normal atom loses an electron, the atom
- The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o, we would expect in middle latitudes __________?
- Carbon monoxide is a pollutant because it __________.
- Carbon sequestration is a strategy used to control __________?
- The hardness of martensite in quenched plain carbon steels reaches almost a saturation value of carbon of about
