bonding structures and properties (p1) Flashcards
What are the three types of chemical bond?
Ionic, covalent and metallic
What bonding occurs in metals?
metallic
What bonding occurs in non-metals?
covalent
What bonding occurs between a metal and non-metal?
ionic
How do metals form ions?
lose electrons
How do non-metals form ions?
gain electrons
What charge do metal ions have?
positive
What charge do non-metal ions have?
negative
What charge do ionic compounds have?
neutral
What is an ionic bond?
Electrostatic forces of attraction between ions with opposite charges
What is a covalent bond?
A shared pair of electrons between two atoms
What is a metallic bond?
Electrostatic forces of attraction between postive metal ions and negative, delocalised electrons
In what type of bonding are electrons shared?
covalent
In what type of bonding are electrons transferred?
ionic
What charge are the ions of group 1 elements?
1+
What charge are the ions of group 2 elements?
2+
What charge are the ions of group 6 elements?
2-
What charge are the ions of group 7 elements?
1-
What structure do ionic compounds have?
giant ionic lattice
What substances contain covalent bonds?
Small molecules, giant covalent structures, polymers
What forces are found between molecules?
intermolecular forces
What side of the periodic table contains metals?
left
What side of the periodic table contains non metals?
right
How many pairs of electrons are shared in a single covalent bond?
1
How many pairs of electrons are shared in a double covalent bond?
2
If the temperature is below the melting point of a substance, what state will it be?
solid
If the temperature is between the melting and boiling point of a substance, what state will it be?
liquid
What does (s) mean?
solid state