1 Click the Logon tab in the ThinkVantage Fingerprint Software Settings window. 2  Select the option and make sure the following are checked: 3  Allow to bypass logon using Windows password. 4  Allow user selfenroll in logon. 5  Click OK. 6  You will prompted to reboot for your changes to take effect.
The number of protons in. the nucleus (called the atomic number) is unique for. each element and largely determines the chemical. behavior of the element. Plutonium has 94 protons. in its nucleus, so it is given the atomic number 94. (There are currently 118 known elements, from.
â¢ The mass number of a chemical element is defined. by the number of protons plus neutrons in the. nucleus. Variants of a given element with differing. numbers of neutrons are called isotopes. Pu-238. is a variant (or isotope) of plutonium with an atomic. weight of 238 (94 protons plus 144 neutrons); it was. the first isotope of plutonium that was discovered.