What is defined as the basic unit in the metric system that describes a quality? A. Base Unit
B. Data Table
C. Dependent Variable
D. Extrapolate

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.