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...
Sometimes you can find hydrogen isotopes that have two or three neutrons, but they too have only one proton. In most lighter elements the nucleus of each atom has the same number of protons and neutrons. but heavier elements have more neutrons than protons. Uranium, for example has 92 protons and 146 neutrons.