The alkali metals are first column, alkali earth 2nd, halogens 2nd to last, and noble gases last. Hope it helps!
Density= mass/volume
16.39g/18.00mL = 0.9105 g/mL
Make sure to use the correct number of significant figures (4)
276 grams of carbon in 23.0 moles
Answer:
i think C the higher the frequency the lower the energy of light.
