About 114 or 118.
82 elements. lol
No one knows how many elements are left to discover.
There are many more! Just like we always discover new planets, we are always discovering new elements, too.
2
how many atoms are in this compound
Scientists have created a variety of atoms in laboratories by combining different elements through nuclear reactions. These artificially created atoms can range from simple isotopes to heavier elements that are not typically found in nature. By manipulating atomic nuclei, scientists have been able to generate many new atoms for research purposes.
There are two elements, nitrogen and oxygen. There are seven total atoms, two nitrogen atoms and five oxygen atoms.
There are 22 elements in a molecule of C8H11NO2: 8 carbon atoms, 11 hydrogen atoms, 1 nitrogen atom, and 2 oxygen atoms.
118 elements
1
Madame Curie discovered two elements: polonium and radium.
This molecule contain two aluminium atoms.