Which of the following is characteristic of non-metals? A)

They're always solids at room temperature.

B)

They're strong conductors of electricity.

C)

They tend to be denser than metals.

D)

They tend to gain electrons in chemical reactions.

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color

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