Atoms of which two elements in the ground state contain the same number of valence electrons
a- al & si
b- al & b
c- al & zn
d- al & ge

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide