Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture: Carbon dioxide

A. Element
B. Compound
C. Homogenous mixture
D. Heterogenous mixture

What is the correct lewis structure for chloroform chcl3

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?