Visible light travels from place to place as a

Different isotopes indicate that an element will have different numbers of

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98