Parts of an Atom- Review
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What is the charge of a neutron?
(0) Neutral
What is the charge of a proton?
(1+) Positive
What is the charge of an electron?
(1-) Negative
Do you gain or lose energy the farther you are from the nucleus?
Gain
What are the electrons in the outermost energy level called?
Valence electrons
What is the mass number (atomic mass)?
The sum of protons and neutrons in an atom.
Which energy level affects the chemical protons of an atom?
The outer energy level
Define isotope
Atom of the same element that has the same number of protons but different number of neutrons.
In what type of atom does the number of protons equal the number of electrons?
Neutral
What is the atomic number?
The amount of protons in an atom