Chemical Bonding Flashcards
What is bonding?
Bonding refers to the way in which how atoms join together and combine with each other.
Why do atoms combine together?
To achieve full outer shell or to achieve stable electronic configuration similar to that of noble gas.
which sub-atomic particles are involved in bonding
Only valence electrons
What determines the physical property of the substance.
The structure and bonding present in matter determine its physical properties. eg, melting and boiling points
What substances form ionic bonds
metals from group I, II, III and non metals from Group V,VI, VIII. It only can occur between metals and non metals.
How are ionic bonds formed?
By the transfer of electrons from METALS to NON metals
What are compounds formed by ionic bonds called?
Ionic compounds
What is a giant crystal lattice?
Ions that are joined together in a regular pattern.
Name 3 physical Properties of Ionic Compounds
High melting points and boiling points.
ionic compounds are usually soluble in water
Ionic compounds can conduct electricity in aqueous state and molten state but not in solid state
How are positive sodium ions and negative chloride ions attracted to each other?
The positive sodium ions and the negative chloride ions are attracted to each other by attractive force known as the ELECTROSTATIC FORCE OF ATTRACTION.
What does the electrostatic force attraction do?
This electrostatic force of attraction holds the oppositely-charged ions together on the ionic compound is known as the ionic bond.
Covalent bonds are usually formed between ________.
Covalent bonds are usually formed between atoms of non-metals (Group IV, V, VI and VII)
Covalent bonding involves the ________ between the non-metal atoms.
Covalent bonding involves the sharing of electrons between the non-metal atoms.
What happens to atoms after forming a covalent compound?
In forming a covalent compound, each atom achieves an electronic structure similar to that of noble gas. (stable electronic configuration in the outermost shell/ full outer shell)
Compounds that are formed by covalent bonds are known as ______.
covalent compounds
