Alpha particles. Alpha particles are made of 2 protons and 2 neutrons. This means that they have a charge of +2, and a mass of 4. (the mass is measured in atomic mass units, where each proton & neutron=1) We can write them as , or, because they're the same as a helium nucleus, . Alpha particles are relatively slow and heavy.
For more, visit TIME Health. 1  The average attention span for the notoriously ill-focused goldfish is nine seconds, but according to a new study from Microsoft Corp., people now generally lose concentration after eight seconds, highlighting the affects of an increasingly digitalized lifestyle on the brain.
However, a recent research study from TheLadders that included the direct observation of the actions of corporate recruiters demonstrated that the boast of this extended review time is a huge exaggeration. You may be shocked to know that the average recruiter spends a mere 6 seconds reviewing a resume. A similar study found the review time to be 5 â 7 seconds (BeHiring). Obviously six seconds only allows a recruiter to quickly scan (but not to read) a resume.