Select all that apply. Using your periodic table of the elements which chemical symbols indicate an element? Question 5 options:
O

I

i

Ca

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?

Why is silver chloride is an ionic compound

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate