Because the nuclear charge increases across a period and so it has a stronger pull on the outer electrons and will pull in the radius
'cause many alpha-particle goes without any deflection........
I guess you could call them that. In chemistry, we call them Metalloids though.
Answer:
homogeneous mixtures: iron,alcohol,zonrox,wine.
heterogeneous mixtures: smoke,batchoy,spaghetti,halo halo,book,clothes.