Abond between a metal and a nonmetal atom is likely an ionic bond? true or false

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal