What is a dominating personality?
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What is a dominating personality?
Dominant workers tend to exhibit arrogance, superiority, and conceit. They have higher-than-average levels of aggressive, disagreeable, manipulative personality traits. Dominant people also score highly in the traits known as the ‘dark triad’: Machiavellianism, narcissism, and psychopathy.
Why do alpha particles bounce back?
Most of the alpha particles passed straight through, but some of the alpha particles bounced back because positive particles (protons) in the nucleus repelled them. Positive and positive always repel each other.
What can stop an alpha particle?
Alpha particles can be stopped completely by a sheet of paper. Beta particles travel appreciable distances in air, but can be reduced or stopped by a layer of clothing, thin sheet of plastic or a thin sheet of aluminum foil.
Which type of radioactive decay alpha beta or gamma is most dangerous?
Gamma rays are the most harmful external hazard. Beta particles can partially penetrate skin, causing “beta burns”. Alpha particles cannot penetrate intact skin. Gamma and x-rays can pass through a person damaging cells in their path.
What are the 3 radioactive particles?
After several years of study, scientists identified several distinct types of particles resulting from radioactive processes (radiation). The three distinct types of radiation were named after the first three letters of the Greek alphabet: (alpha), (beta), and (gamma).
What can alpha decay penetrate?
Alpha particles may be ejected from the nucleus of an atom during radioactive decay. They are relatively heavy, and only travel about an inch in air. Shielding this very penetrating type of ionizing radiation requires thick, dense material such as several inches of lead or concrete.
What is the most damaging nuclear decay to the human body?
Can radioactive decay be stopped?
Radioactive decay happens when an unstable atomic nucleus spontaneously changes to a lower-energy state and spits out a bit of radiation. Since radioactive decay is a spontaneous event, you may think that the half-life of the decay process is completely fixed and cannot be altered by outside influences.
Which type of radiation has the greatest penetrating power?
Gamma rays
