Grade 11 Unit 3 Atoms and the periodic table (The atom (Who developed the…
Grade 11 Unit 3 Atoms and the periodic table
Who developed the atomic theory?
What are the parts of an atom?
How can we describe atoms?
By atomic Number
By mass number
The periodic table
What information is contained in each square on the periodic table?
Average atomic mass
How are the elements arranged on the periodic table?
They are arranged as metals, nonmetals, and metalloids.
Elements in each column have similar properties.
Elements in each row follow periodic trends.
Elements are organized in order of increasing atomic number.
Electrons and chemical bonding
What are the different atom models?
Electron cloud model
Space filling model
How do atoms join together?
By chemical bonding.
What happens to atoms during chemical changes?
Atoms are arranged.
A hydrogen chloride molecule forms when a bond is made between a hydrogen atom and a chlorine atom
Ionic, covalent and metallic bonding
What properties do must ionic compound share?
Crystal lattice structure
Solubility in water
What properties do most covalent compounds share?
Low solubility in water
Low melting and boiling points
Poor electrical conductivity
What properties do most metallic compounds share?
Good electrical conductivity
Malleable and ductile