GCSE Chemistry - Elements, Atoms, Compounds and Bonding Flashcards
What does the ‘Group’ in the periodic table tell us and is it vertical or horizontal?
How many electrons are on an atom’s outer shell. The group goes vertically across the periodic table.
What does the ‘Period’ in the periodic table tell us and is it vertical or horizontal?
How many shells an atom has. The period goes horizontally across the periodic table.
What is the name for ‘HCl’?
Hydrochloric Acid
What is the name for ‘H₂SO₄’?
Sulphuric Acid
What is the name for ‘HNO₃’?
Nitric Acid
What is the name for ‘H₃PO₄’?
Phosphoric Acid
Which elements are less reactive than Hydrogen (H) and what are their symbols?
Copper (Cu), Silver (Ag), Gold (Au)
What are the four states and their symbols?
Solid (s), Liquid (l), Gas (g), Aqueous (aq)
What is Covalent bonding?
When only non-metallic elements are bonded together.
What is Metallic bonding?
When only metallic elements are bonded together.
What is Ionic bonding?
When metallic and non-metallic elements are bonded together,
What does an element’s atomic number tell us?
How many Protons are in the nucleus of the element’s atom.
What does an element’s atomic mass tell us?
The sum of the Protons and Neutrons in the nucleus of the element’s atom.
What charge does a Proton have?
Positive Charge
What charge does a Neutron have?
Neutral (No) Charge