1 When the ThinkVantage Fingerprint Software dialog box opens, go to Fingerprints Enroll or Edit Fingerprints. 2  Follow the steps in the User Enrollment wizard to successfully enroll your fingerprints. 3  Before fingerprints can be registered, youâll be asked to type in a password.
For example, the atomic weight of the element chlorine is 35.453, determined by averaging the atomic masses and relative abundances of its two main naturally occurring isotopes, which have atomic masses of about 35 and 37.
Every chlorine atom has 17 protons; 17 is the atomic number of chlorine. However, chlorine has two isotopes that are stable against radioactive decay. These have mass numbers â¦ of 35 and 37, which have 18 and 20 neutrons respectively.