Is Fe a element or a compound?
Is Aluminum a element or a compound?
Is HCI a element or a compound?
Is Hydrogen Peroxide element or a compound?
Is H2 element or a compound?
Is NaOH element or a compound?

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

How many moles are contained in 5.6 l of h2 at stp

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal