Is N20a atom or molecule

What element derived it name from the color of a spectrum line? Are seed plants multicellular? What is a haploid female sex cell produced by meiosis called? Why does listeria grow at cold temperatures? How many different ingredients are there in neutradol? What are small rocky bodies found in a belt between Mars and Jupiter? How do you convert 235.3 nA to A? Which mineral identification test is easiest for a person to perform at home? What happens to the ice during no temperature change? What elements make up syrup? What is the joint between the trapezium and the metacarpal? What is an isothems? If you need to paint a 2 meter long and 1 meter high fence and one paint can covers 2 square feet how many cans of paint so you need? Can igneous and sedimentary both form fossils? What is A decrease in blood CO2 levels leads to? Which of the choices below is not a part of the hypothalamic-pituitary-gonadal axis? Why are flammable substances dangerous? Red blood cells carry oxygen to the rest of the body? How do you determine the number of valence electrons if you know the group no of elements? Why do you multiply by 1.732?