Chemical Bonding I
What is the three Types of Chemical Bonds
Metallic, Covalent, and Ionic
Two or more atoms held together
Molecule
When an atom gains an electron it becomes
Negatively charged or anion
Both elements in a covalent bond are this type of element.
Nonmetals
What type of atoms are found in Ionic bonds
Metals and Non-metals
The common name of the ionic compound with the formula NaCl
Table Salt
What is the charge on all atoms that are neutral? The net charge for ionic compounds
Zero or neutral
Each atom of oxygen has 6 valence electrons. Each atom of hydrogen has 1 valence electron.
How many atoms of each element are required to form one molecule of water?
1 Oxygen & 2 Hydrogen
What type of atoms are found in covalent bonds
Non-Metals
What bond transfers electrons
Ionic Bonds
The bond that forms the compound KCl
Ionic bond
What are 2 properties of Metallic Bonds?
Good electrical conductivity, Malleable, and Ductile,
What type of atoms are found in Metallic bonds
Metals
When there is a sea of electrons which are shared
Metallic Bonding
When a bromine gains an electron is known as what type of ion?
What is an anion?
A atom that has a net negative or positive charge.
What is an ion?
Each atom of sodium has 1 valence electron. Each atom of sulfur has 6 valence electrons. How many atoms of each element are required to form one unit of sodium sulfide?
1 Sulfur & 2 Sodium
Each atom of magnesium has 2 valence electrons. Each atom of chlorine has 7 valence electron.
How many atoms of each element are required to form one unit of magnesium chloride?
1 magnesium & 2 chlorine
when atoms share electrons
Covalent Bonds
When Ionic bonds form, they create this type of structure
What is a crystalline lattice
Elements require how many electrons in the outermost shell to be considered stable?
8 electrons
How many electrons does Nitrogen need to have a full valence shell if it is in Group 15?
3
When an atom loses an electron it becomes?
Positively charged or Cation