Elements and Atom

Vocabulary #1

Pure subtances tht cannot been broken down further into anything simpler ELEMENT

Is the smalest particle of n element ATOM

An atom´s dense center NUCLEUS

A possitively charged particle inside an atom´s nucleus PROTON

A particle with no charge inside is NEUTRON

A particle with negative charge inside is ELECTRON

The number of protons in an atom is ATOMIC NUMBER

Any group of elements that conduct heat and elctricity METAL