with regard to electron configuration, what do all the elements in group iia of the periodic table have in common?

No table found. the question asks for covalent bond based on electronegativies

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.

The answer is d.potassium