Something that can be observed, measured or changed without altering the identity of a substance is called a(n) property.
physical
observable
chemical
changeable

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.

What is bromine+calcium iodide--> calcium bromide +iodine balanced

What causes the appearance of lines in a emission spectrum