The diagram shows Niels Bohr's model of an atom. Proton
Orbit
n=1
Electron
n=1
n=1
What happens when the electron moves from the first energy level to the second energy level

Which is an example of renewableenergy resource uranium ,wind, or natural gas

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.