45 - Atoms and Elements Flashcards
What is the charge of a proton?
Positive 1
Which part of the atom has no charge (hint: neutral)
Neutrons
What is the charge of an electron?
Negative 1
What are energy shells?
The shells surrounding the atom where electrons reside
What is the number of protons equal to?
The number of electrons
How does an atom become an ion?
When electrons are added or removed and the atom is no longer neutral (becomes charged)
What is an element?
A substance containing only one type of atom
How can you find the number of protons in an element?
The atomic number (top corner)
How do you find the number of neutrons?
The atomic mass subtract the atomic number
Where would you find protons and neutrons?
Inside the nucleus of an atom