# data[].attributes.headline
What do the these numbers and letters mean?

# data[].attributes.subject
What do the these numbers and letters mean?

# data[].attributes.headline
What are some physical properties of elements?

# data[].attributes.subject
What are some physical properties of elements?

# data[].attributes.headline
The elements on the periodic table are arranged according to there atomic number and properties. Several scientists arranged elements, but Dmitri Mendeleev was able to do something others hadn't done. What was it?

# data[].attributes.subject
The elements on the periodic table are arranged according to there atomic number and properties. Several scientists arranged elements, but Dmitri Mendeleev was able to do something others hadn't done. What was it?

# data[].attributes.headline
Why are copper bottom pans good for cooking? 

# data[].attributes.subject
Why are copper bottom pans good for cooking? 