Atomic Structure
Chemical Formulas
Ionic Bonding
Covalent Bonding
Naming Binary Compounds
100
The atomic number refers to
Number of protons
100
What holds atoms together in a molecule?
Chemical bond
100
An ionic bond is between a
metal and nonmetal
100
A covalent bond is between
Two nonmetals
100
Turn the name into a formula: dihydrogen monoxide
H2O
200
How many protons does Phosphorus have?
15
200
How many atoms of hydrogen in the formula?
2
200
What happens to the electrons in an ionic bond
Transfer (metal to nonmetal)
200
What happens to the electrons in a covalent bond
Shared
200
Name the compound: Fe2O3
Iron Oxide
300
How many valence electrons does fluorine have?
7
300
How many ELEMENTS are in the formula?
2 (Hydrogen and oxygen)
300
Name 2 properties of ionic compounds
High melting point, conductive, high boiling point, dissolves in water, crystalline structure
300
Name 2 properties of covalent compounds
Low melting point, low boiling point, does not conduct, does not dissolve
300
Name the compound: N2H4
Dinitrogen tetrahydride
400
What is the oxidation number for oxygen?
-2
400
How many ATOMS in the formula?
3 (2 hydrogens + 1 oxygen)
400
What is the chemical formula for the bond between magnesium and fluorine?
MgF2
400
How many of EACH atom is contained in the molecule dihydrogen pentoxide?
2 hydrogen
5 oxygen
H2O5
400
Turn the name into a formula: Magnesium sulfide
MgS
500
Name one element that has the same oxidation number as Nitrogen
P (phosphorus), As (arsenic), Sb (antimony)
500
How many total atoms in the formula?
6
500
What is the chemical formula for the bond between aluminum and oxygen?
Al2O3
500
How many of EACH atom is contained in the molecule carbon tetrahydride?
1 Carbon, 4 Hydrogen
500
Turn the name into a formula: aluminum chloride
AlCl3