Atoms Flashcards
What subatomic particles are atoms made up of
Protons, neutrons and electrons
What is the charge, mass and position of a proton
Charge +1
Mass 1
Location nucleus
What is the charge, mass and location of neutron
Mass 1
Charge 0
Location nucleus
What is the charge, mass and location of an electron
Mass 1/2000
Charge -1
Location shells
Atomic number definition
Number of protons in a nucleus of an atom
Mass number definition
The number of protons and neutrons in a nucleus of an atom
Define isotopes
Atom of the same element with a different number of neutrons
What is formed when an atom loses electrons
Positively charged ions(cations)
What is formed when an atom gains electrons
A negative ion (anion)
What are group 1 elements known as
Alkali metals
What are group 2 elements known as
Alkali earth metals
What are the elements to the left of the stairs known as
Metals
What are the elements to the right of the stairs known as
Non metals
What are the elements in the middle of the periodic table known as
Transition metals
What are the group 0 elements known as
Nobel gases