Which Galaxy is the farthest from Earth?
galaxy A
galaxy B
galaxy C
galaxy D
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Asample of rose gold is: 12.0 g gold, 5.0g silver, and 7.0 g copper. what is the percent copper in the sample?

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

No copying 15 pts how does a free-body diagram tell you about the net force on an object?