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5 questions
If an element has 6 protons, 7 neutrons, and 6 electrons, what type of charge does the element have?
positive
negative
neutral
imaginary
when a metal plate is gives a positive charge , which of the following is taking place ?
Protons are transferred from the plate to another object.
Electrons are transferred from the plate to another object.
Electrons are transferred from plate to another object, and protons are also transferred to the plate from another object
it depends on whether the object conveying the charge is a conductor or insulator
when a rubber rod is rubbed with rabbit fur , the rod becomes
negatively charged
positively charged
neutral
either negatively charged or positively charged , depending whether the fur is always moved in the same direction or moved back and forth.
If a body has a net charge of 3nC , how many excess electrons are contained in the body?
0.0000000016 electron
6.25×109 electron
1.875×1010 electron
0.00000000018 electron
which one of these systems has the most negative charge?
2 electrons
3 electrons and 1 proton
5 electrons and 5 protons
N- electrons and N-3 protons
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