11 Questions
What fundamental electrical property is attributed to the mutual attractions or repulsions between electrons or protons?
Charge
In the atom model by Rutherford and Bohr, what surrounds the positively charged nucleus?
Electrons
Which particle in the atom has no charge and is neither attracted nor repelled by charged particles?
Neutron
According to convention, what charge do electrons possess?
Negative charge
Which forces balance each other out in affecting an individual according to the provided text?
Gravity and repelling forces
What pair of forces, billions of times stronger than gravity, balance each other out according to the text?
Electric and repelling forces
What is the fundamental rule at the base of all electrical phenomena?
Like charges repel and opposite charges attract
What is the mass relation between a proton and an electron?
A proton has nearly 2000 times the mass of an electron
Why do electrons repel each other?
Because of like charges
What is the charge of a neutron?
Neutral
How do atoms maintain a net charge of zero?
By having equal numbers of electrons and protons
Test your knowledge on the force of gravity and its impact on objects. Understand how the force of gravity attracts objects towards the Earth and the theoretical balance between gravity and a repelling force. Figure out how these forces affect objects like a piece of paper.
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