Predict what you would observe if you added platinium to dilute hydrochloric acid d-predict what you would observe if you left a piece of gold in a beaker of water for a week? give a reason for your
prediction
Help please!!

What overall charge must all compounds have

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

What is the subscript for oxygen in its molecular formula