Which elements have fewer than four dots in their electron dot diagrams? check all that apply
arsenic (as)
strontium (sr)
krypton(kr)
gallium (ga)
tin(sn)
sulfur (s)

Correct answer is Strontium (Sr) and Gallium (Ga)

Dots placed around the chemical symbol represents electron dot structure valence electrons. Electrons are placed up to two on each side of the elemental symbol for a maximum of eight, which is the number of electrons in a packed s and p shell.

The elements that have fewer than four dots in the diagrams are Strontium and Gallium.

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adding or remove a gaseous reactant or product changes the concentrations. if the concentration of reactant or product is increased, the system will shift away from the side in which concentration was increased (i.e. if the concentration of reactants is increased, the system will shift toward the products. if more products are added, the system will shift to form more reactants). conversely, if the concentration of reactant or product is decreased, the system will shift toward the side in which concentration was decreased (i.e. if reactants are removed, the system will shift to form more reactants. if the concentration of products is decreased, the equilibrium will shift toward the products).

explanation: