1. Right-click Suggested Contacts and choose Properties. 2. Click the Outlook Address Book tab. 3. Clear the checkbox for âShow this folder as an e-mail Address Bookâ. If the Suggested Contacts group doesnât disappear from your iPhone, go into Settings and turn off contact syncing, then turn it back on again.
Sulfur has 16 protons, 16 neutrons and 16 electrons. Its atomic number is 16, and it has an atomic mass of 32.066 amu. Sulfur is a pale, yellow, non-metallic...
A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium is weakly radioactive because all its isotopes are unstable. The most common isotopes of uranium are uranium-238 (which has 146 neutrons) and uranium-235 (which has 143 neutrons). Uranium has the second highest atomic weight of the primordially occurring elements, lighter only than plutonium.