All matter has __ and takes up psace
mass
Matter we encounter everyday is made of tiny particles called __.
atoms
Atoms inside matter are always __.
moving
Atoms are very, very, very __.
small
We __ see single atoms with our own eyes.
cannot
Atoms have two parts (spaces): electron shells and __.
nucleus
Atoms are made of __ different particles.
three
The three particles inside an atom are __.
protons, neutrons, electrons
Which particle of atom has positive one charge?
proton
Which particle of atom has negative one charge?
electron
Which particle of atom has zero/no charge?
neutron
Name a particle that is found inside the nucleus of an atom.
proton, neutron
Name a particle that is found outside the nucleus of an atom.
electron
Name a particle in an atom that has mass of 1 amu.
proton, neutron
Name a particle in atom that has mass of 0.0005 amu.
electron
Say one thing you learn in this lesson.
?
