Final answer:
False, hydrogen is not the only metal on the left-hand side of the Periodic Table of Elements.
Step-by-step explanation:
False, hydrogen is not the only metal on the left-hand side of the Periodic Table of Elements. The periodic table is organized in groups and periods. The group on the left side, known as Group 1, consists of alkali metals including hydrogen, lithium, sodium, potassium, and more. These elements are all metals. Additionally, there are other metals such as beryllium, magnesium, and aluminum, located in other groups on the left-hand side of the table.
Learn more about Hydrogen and metals on the left-hand side of the Periodic Table