atoms (sience)

what is a atom

the basic unit that makes up all matter

what is a element

An atom with specific characteristics. 

Organized on the Periodic Table of Elements based on the number of protons.

what is a proton

POSITIVE charge, found in the nucleus

what is a neutron

NEUTRal charge (no charge), found in the nucleus

what is a electron

nEgative charge, found in the electron cloud

what is a atomic number and mass

Atomic Number = # of protons or electrons

Atomic Mass = Protons + Neutrons

what are the letters called

element symbol

what is the number at the top called

atomic number

what Is the numbers at the bottom called

atomic mass

what can each shell hold

1. 1st shell can hold up to 2 electrons

2. 2nd shell can hold up to 8 electrons

3. 3rd shell can hold up to 18 electrons

what does proton stand for (in ur head)

positive

what does neutron stand for (in ur head)

neutral

what does electron stand for ( in ur head)

negative

brain break ig

it was empty:(