Which is chemical property of iron?

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Which position represents spring in the southern hemisphere? a) b) c) d)