Atoms, Elements, Compounds, and Ions Atom basic building block of all matter Element Substance that consists of only one type of atom. Molecule has two.
Subatomic particles Electron Proto n Neutro n Nam e SymbolCharge Relative mass Actual mass (g) e-e- p+p+ n0n0 +1 0 1/1840 1 1 9.11 x 10 -28 1.67 x 10.
Unit #3 Atomic Structure Review from 8 th Grade OBJECTIVES: Identify the subatomic particles Explain how the atomic number identifies an element.
Level 1 Science Acids and Bases
Physical Science Mr. Bythwood Protons (+): Atomic Number Neutrons: Atomic Mass minus Protons Electrons (-): Same number as Protons.
PRACTICE DRAWING ATOMS. DRAWING ATOMS RULES PROTONS = Atomic number ELECTRONS = Atomic number NEUTRONS = mass number – atomic number 1 st level can hold.
Chapter 11 Introduction to Atoms atomAn atom is the smallest particle into which an element can be divided and still be the same substance. See timeline.
Atomic Structure Teaching Resources Eric Grunden Raleigh Charter High School Raleigh, NC.
Reading the Periodic Table What does Atomic Mass tell us?
Intro to Chemistry
Matter Think – Pair - Share
The Atom. An Atom … is the smallest particle into which an element can be divided and still be the same substance.