Sodium atom
sodium has an atomic number of 11. which atom would form an ionic bond with a sodium atom?

select one:
a. helium atom
b. chloride atom
c. carbon atom
d. oxygen atom

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Which other elements contain the same number of outer electrons as sodium

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?