What is made when certain wavelengths of light, or colors, are given off by hot gases and can be thought of like a fingerprint for elements? constellations

nebulae

supernovas

emission lines

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

How do dying stars contribute to the formation of planets