When working with a Bunsen burner what precautions should be taken with respect to your clothing and hair?

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

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

What is a difference between a mixture of elements and a mixture of compounds