Which statement is true about compounds?
a) They do not form living things.
b) They do not form non-living things.
c) They are formed when electrons of different atoms combine.
d) They are formed when atoms of different elements combine.
a) They do not form living things.
b) They do not form non-living things.
c) They are formed when electrons of different atoms combine.
d) They are formed when atoms of different elements combine.