Electric charge is determined by subatomic particles called “electrons” and “protons”. Electrons have a -1 negative charge while protons have a +1 positive charge. … Atoms that have more electrons than protons are classified as “anions” and atoms that have more protons than electrons are classified as “cations”.
What determines the electrical charge of an atom?
Electric Charge in the Atom. Atoms contain negatively charged electrons and positively charged protons; the number of each determines the atom’s net charge.
What does electric charge depend on?
All electric charge is based on the protons and electrons in atoms. A proton has a positive electric charge, and an electron has a negative electric charge. opposites attract, so positive and negative particles attract each other.
How do you find the electric charge?
If you know the electric current, the flow of electric charge through an object, traveling through a circuit and how long the current is applied, you can calculate electrical charge using the equation for current Q = It in which Q is the total charge measured in coulombs, I is current in amps, and t is time that the …
What determines the charge of an ion?
An ion is a charged atom or molecule. It is charged because the number of electrons do not equal the number of protons in the atom or molecule. An atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.
How do you determine the charge of an element?
For a single atom, the charge is the number of protons minus the number of electrons.
What are the 3 laws of electric charge?
Like charges repel each other; unlike charges attract. Thus, two negative charges repel one another, while a positive charge attracts a negative charge. The attraction or repulsion acts along the line between the two charges. The size of the force varies inversely as the square of the distance between the two charges.
Why do oppositely charged particles attract?
If a positive charge and a negative charge interact, their forces act in the same direction, from the positive to the negative charge. As a result opposite charges attract each other: The electric field and resulting forces produced by two electrical charges of opposite polarity. The two charges attract each other.
What causes the buildup of an electrostatic charge?
Static electricity is the result of an imbalance between negative and positive charges in an object. These charges can build up on the surface of an object until they find a way to be released or discharged. … The rubbing of certain materials against one another can transfer negative charges, or electrons.