Investigating matter/ Atomic structure Flashcards
what is volume?
amount of space that a substance or object takes up
what are the three states?
solid, liquid, gas
what is conductivity?
measure of how easily electricity or heat can pass through
describe an element
it cannot be broken down into simpler substances
what is mass?
the amount of matter in an object
what happens when heat is added to a substance
particles gain kinetic energy and vibrate faster
what change of state requires the removal of heat?
melting
what is the temperature in which a solid changes into a liquid?
melting point
what is the temperature in which a liquid changes into a gas?
boiling point
what electric charge does a proton have?
positive ( + )
what electric charge does a neutron have?
neutral ( 0 )
what electric charge does an electron have?
negative ( - )
where are protons located?
nucleus
where are electrons located?
surrounding the nucleus
where are neutrons located?
nucleus