Element m has an ellectronegativity of less than 1.2 and reacts with bromine to form the compound mbr2. element m could be?

What does the cell nucleus do or, how does it function?

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2