How is the activity of a radioactive sample measured? In terms of the number of nuclear disintegrations per second. The Curie (Ci) is the unit used commonly, the Becquerel is the SI unit. The number of nuclear disintegrations that occurs in 1 second for 1 gram of radium, which is 3.7 x 10^10 disintegrations.
<span>if given element is neutral, than it has to have same number of protons and electrons. so in this case it is 12 electrons.</span><span>
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Answer:
sup brö how is it back home?
Explanation:
just curious you know
Real salt, sodium chloride - the kind you eat - might be too drying. You can find epsom salts, magnesium sulphate, at any drug store and most grocery stores in the first aid section. Usually the packaging looks like a milk carton.
Answer:
It depends on the person, however it is 40 words per minute, or WPM.
Explanation:
Take a typing test. However, the national average is 40 WPM.
