Is sulfur a metal, nonmetal, metalloid, or noble gas?

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

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.