Rndajdm Flashcards
What is atomic mass (weight)?
The atomic mass is the wieghted average of all the isotopes’ mass
What is atomic number?
The atomic number is equal to the number of protons in the atom
What is an isotope?
Isotopes are atoms with the same number of protons and different numbers of neutrons
What is an ion?
An ion is an atom where the number of electrons is not equal to that of protons
What is a neutron?
A neutron is a particle with equal negative and positive charges in it found in the nucleus of an atom
What is the mass number?
The mass number is how we identify isotopes and it is calculated by adding the numbers of protons and neutrons in the atom
What is an electron?
Electrons are the negatively charged particles in the atoms the cannot have a determined location, as it only moves around in the electron cloud
What is a proton?
A proton is a positively charged particle in the nucleus of an atom
