atoms
1940s
13152_22146_Carbon_Chemist_one
A chemist brings out a bottle labeled petroleum and places it in front…
1940s
13152_22146_Carbon_Chemist_two
The chemist makes ethane with a atom model shown in a CU. He then makes…
1940s
A chemist brings out a bottle labeled petroleum and places it in front…
1940s
The chemist makes ethane with a atom model shown in a CU. He then makes…