Kaylin-Atoms and the Perodic Table Flashcards
What are protons?
Positive charged particles that are located on the nucleus.
What is a nucleus?
Middle part of the atom that contains the protons and neutrons
What are neutrons?
A particle that is located on the nucleus with no charge
What are electrons?
Particles with negative charge.
What is orbital?
Part of an atom where there are a lot of electrons.
What are valence electrons?
Electrons found on the outside of the atom shell that makes up its chemical properties.
What is the periodic law?
Law that says the repeating chemical and physical properties that change periodically with the atomic numbers
What is a period?
Horizontal rows in the periodic table
What is a group?
Vertical column in the periodic table
What is an ion?
Atom or groups of atom that has lost or gained 1+ electrons and has a negative or positive charge
What is atomic number?
of protons in the atom
What is the mass number?
Total of protons and neutrons in an atom
What is an isotope?
When atoms have the same number of protons but not the same neutrons.
What is atomic mass unit(amu)?
Unit describes my the mass of an atom
What is average atomic mass?
Average mass of natural isotopes of an element
