What is the number of electrons shared in the multiple carbon-carbon bond in one molecule of 1-pentyne?

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide