Which of the following orbitals is the largest in size? a. 2s b. 4s c. 1s d. 3s e. all s orbitals are the same size

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?