What are the four characteristics of minerals

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

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

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate