Based on their locations on the periodic table, which best compares the properties of the metalloids arsenic (as) and antimony (sb)?

arsenic has a more metallic behavior than antimony because arsenic’s atoms have fewer electron shells.
arsenic has a more metallic behavior than antimony because arsenic’s atoms have more electron shells.
arsenic has a more nonmetallic behavior than antimony because arsenic’s atoms have more electron shells.
arsenic has a more nonmetallic behavior than antimony because arsenic’s atoms have fewer electron shells.