Brain › Science & NatureWhat is the first element on the periodic table?HydrogenHeliumOxygenLithiumAnswerThe correct answer is A) Hydrogen.More Science & Nature questionsWhich element has the highest melting point?Who discovered the Law of Gravity?How many moons does Pluto have?How many chromosomes are in your body cells?Dry ice is the solid form of what substance?Which of these Elements is a metalloid?Play Brain · Practice