Arrange these elements in order of decreasing atomic size : sulfur , chlorine , aluminum , and sodium.

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

How many grams of iron can be made from 16.5 grams of fe2o3

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?