Draw the Lewis dot structure of each molecule below. Which substance has two lone pairs in its Lewis dot structure?

a
CO2

b
H2O

c
CH4

d
NH3

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

How many moles are in 7.2 x 10^23 carbon molecules?

What is the relationship between particles in matter