Atomic structure Flashcards
What is matter?
Anything that hass mas and volume. Made of atoms
Whats substance?
Somthing thats made of atoms and compsed the same every time. {pure}
What is an element?
Its a substance made of only one kind of atom.
What is a molecule?
Made of 2 or more atoms that chemically combime.
Whats a compound?
Made of 2 or more elements that chemically combine.
Whats the formula that equals volume?
Length * width * height or submersion technique.
whats the formula that equals density?
mass/volume
What does the sothermic change do?
Realeses energy. {heat}
Wht does the enclthermic change do?
Uses energy {heat}
List 3 properties of compouds.
Compounds are bound together, compounds create somthing new, componds cant be seperated.
Give the charge of each proton electron neutron.
Electon= negitive, proton= positive, neutron= neutal
Where does most of the volume of an atom come from?
The electons.
What does the atomic number also equal?
Protons and electrons
Whats the formula that equals neutrons?
atomic mass/ atomic number.
list the 8 possible physical properies.
accesibility, color, mass, shape, sheen, state, texture, volume