symbol-He; atomic number-2; an inert gaseous element present in the sun's atmosphere and in natural gas and also occurring as a radioactive decomposition product
Helium is a chemical element with the symbol He and atomic number 2.
3 syllables
he-li-um
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!