Chemistry 2 Mastery Study Flashcards
Valence shell
Electrons in outer shell
Stable shell
8 electrons in other shell
Group 3 outer shell
3 and so on
Compounds
2 or more different types of atoms chemically combined
Ionic compounds
Metal + non metal
Is an ionic compound strong and hard to melt ?
Yes
Covalent compounds
Non metals only
Easy to melt
What are covalent compounds made of?
Molecules
Elements get stable shells by …?
Gaining electrons
Loosing electrons
Sharing electrons
What is a charged atom?
Ion
What do ions end in?
-IDE
Chloride, nitride
Why are ions formed?
For atoms to have stable valences
Poly atomic ions ending
-Ate
Molecules
Non metals held together to share electrons
Naming covalent 1 2 3 4 5
Mon Di Tri Tetra Penta
Acetic acid
CH3COOH
Hydrochloric acid
Hcl
Ammonia
NH3
Methane
CH4
Sulfuric acid
H2SO4
Phosphoric acid
H3PO4
Nitric acid
HNO3