Module 2 Part 1 Flashcards
Atomic number
amount of protons in an atom
Ions
atoms that have gained or lost electrons from their natural composition
Anion
Ion that has gained an electron
Cation
Ion that has lost an electron
Mass number
number of protons + neutrons in an atom
Isotopes
atom with different number of neutrons than its natural state
Valence electrons
electrons in the outermost shell
Molecular compound
bonded atoms of different elements
Covalent bonds
when electrons are shared between atoms when bonded
Net charge
Protons - electrons
Atomic mass
Average of mass numbers within an element’s naturally occurring isotopes
Definitive shape and volume
solids
Definitive volume, non-definitive shape
liquids
Non-definitive shape or volume
gases
Molecule
two or more atoms bonded together (can be same element)
Covalent bonds create what type of compound? (ionic or molecular?)
Molecular
Ionic bonds
Transfer of electrons d/t charge differences
Na+ and CO3^2+ make?
Na2CO3