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.
Actually, just six seconds, according to a new study released by TheLadders an online job search site. The study used âeye trackingâ technology, which can measure exactly where recruiters' eyes looked and how long they stayed on that spot.o what do they notice? They spend 80 percent of their brief review on six key elements of your resume: your name, the current company you work for, your previous employment, the start and end dates of your previous position, the start and end dates of your current position and your educational background.