Atoms and molecules Flashcards
Define matter
anything that has mass and takes up space
what makes up an atom
protons, neutrons, and electrons
Where are the protons and nuetrons
in the center
where are the electrons
orbiting the center
Define element
something only made of one types of atom and cant be broken down more
How many elements on the periodic table
92
What are the 6 elements of basic life
carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfer
what makes a compoud
2+ atoms from 2+elements
what is covelent bonding
sharing electrons
what is ionic bonding
gaining or loosing electrons
what does the chemical formula do
tells the type and number of atoms
what is a polar molecule
a molecule with an unequal distribution of charge
H-bond
incomplete bond with wek attraction