In our simulation what did the σ (sigma) stand for?

a. anti-bonding orbital

b. density

c. atomic radius

d. potential energy

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released