![According to the periodic table, which two elements have an atomic mass less than twice their atomic number? | Socratic According to the periodic table, which two elements have an atomic mass less than twice their atomic number? | Socratic](https://useruploads.socratic.org/pfCPuYY6RumpnGilQaZz_periodic_table_hydrogen_tile_coaster.jpg)
According to the periodic table, which two elements have an atomic mass less than twice their atomic number? | Socratic
![Hydrogen Periodic Table Element Icon on White Background Stock Illustration - Illustration of element, number: 86915745 Hydrogen Periodic Table Element Icon on White Background Stock Illustration - Illustration of element, number: 86915745](https://thumbs.dreamstime.com/b/hydrogen-periodic-table-element-icon-white-background-86915745.jpg)
Hydrogen Periodic Table Element Icon on White Background Stock Illustration - Illustration of element, number: 86915745
![Hydrogen H chemical element. Hydrogen Sign with atomic number. Chemical 1 element of periodic table. Periodic Table of the Elements with atomic number Stock Photo - Alamy Hydrogen H chemical element. Hydrogen Sign with atomic number. Chemical 1 element of periodic table. Periodic Table of the Elements with atomic number Stock Photo - Alamy](https://c8.alamy.com/comp/2A49ACW/hydrogen-h-chemical-element-hydrogen-sign-with-atomic-number-chemical-1-element-of-periodic-table-periodic-table-of-the-elements-with-atomic-number-2A49ACW.jpg)
Hydrogen H chemical element. Hydrogen Sign with atomic number. Chemical 1 element of periodic table. Periodic Table of the Elements with atomic number Stock Photo - Alamy
![Hydrogen Periodic Table Element Icon on White Background Stock Illustration - Illustration of element, number: 86915745 Hydrogen Periodic Table Element Icon on White Background Stock Illustration - Illustration of element, number: 86915745](https://thumbs.dreamstime.com/z/hydrogen-periodic-table-element-icon-white-background-86915745.jpg)