Thats hard as hell just drop out of the class lol
Option a. electronegativity
the measure of the ability of the specified atom to attract electrons in a molecule
it exists as atom or ion but not as sodium molecule. So there is no any sodium sodium bonding between two sodium atoms. Sodium combines with other element or group to form compounds of sodium like sodium chloride ,sodium carbonate ,sodium sulphate etc. Sodium has symbol Na and its atomic no. is 11 .
<span>We have a sample of a gas which is a compound of carbon and oxygen. Chemical analysis shows that it contains 2.4 g of carbon and 6.4 g of oxygen. What is its formula?</span>
