Identify the true statement(s) about the periodicity in the main-group elements. 1. The metallic character of elements decreases from left to right in any row of the periodic table. 2. The metallic character of elements increases from top to bottom in any column of the periodic table. 3. Elements with high ionization energy tend to be metallic, whereas those with low ionization energy tend to be nonmetallic. Group of answer choices 3 only 1 and 2 2 only 1 only 1 and 3