Scientists use the scientific method all the time to help them understand things about certain topics. The scientific method is a list of steps that are used before, during, and after the experiment. The scientific method can help prove hypothesis about things and can tell you the outcome of the experiment.
The correct answer to your question is
Basic. it is the is the basic unit of non living things.
Hope this helps!
Answer:
Sodium (Na) has atomic number 11.
The answer is the last option.