(10) Which of the following atoms will not form cation or anion
a. A (Atomic No. 16)
b. B (Atomic No. 17)
CC (Atomic No. 18)
d. D (Atomic No. 19)

What type of electromagnetic radiation has a shorter wavelength than blue light

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.