Science 2015: Periodic Table Flashcards
He
Helium
Li
Lithium
Be
Beryllium
B
Boron
C
Carbon
N
Nitrogen
O
Oxygen
F
Fluorine
Ne
Neon
Na
Sodium
Mg
Magnesium
Al
Aluminum
Si
Silicon
P
Phosphorus
S
Sulfur
Cl
Chlorine
Ar
Argon
K
Potassium
Ca
Calcium
Saying for 20 elements
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Atoms
Made of Protons, Neutrons, and Electrons
Protons
Positively charged particles
Neutrons
Neutral charged particles
Electrons
Negatively charged particles
Atom structure
Nucleus
Shell
Nucleus
Made up of a proton or protons and neutrons
Shell
Region surrounding the nucleus where electrons reside
Atomic number
Number of protons and neutron
Mass - atomic number=
Number of neutrons
1 shell
Holds two electrons
2 shells
Holds 4 electrons
Ion
Atom with a charge
Isotope
Differnt masses of same item
Valence electrons
Electrons on outer shell
H
Hydrogen