Which of the following is a possible molecular formula for a compound with an empirical
formula C, H,O?
A) C3H2O2
B) C12H1202
C) C2H2O
D) C3H2O
E) CHO0.25

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?