What is the number of the lowest energy level that has a p sublevel? . a.1. b.2. c.3. d.4

What semimetal can form four single covalent bonds.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

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