Question

exit ticket 9 (module 2 - lesson 7)
question 2. which of the following sets of elements have similar physical and chemical properties?
o aluminum, silicon, phosphorus, and sulfur.
o oxygen, sulfur, chlorine, and magnesium.
o lithium, sodium, calcium, and potassium.
o fluorine, chlorine, bromine, and iodine.

Explanation:

Elements in the same group of the periodic table have similar physical and chemical properties. Fluorine, chlorine, bromine, and iodine are all in Group 17 (halogens). Aluminum, silicon, phosphorus, and sulfur are in different groups. Oxygen, sulfur, chlorine, and magnesium are from different groups. Lithium, sodium, potassium are in Group 1 but calcium is in Group 2.

Answer:

Fluorine, chlorine, bromine, and iodine.