The Periodic Table (1) Flashcards
The elements are arranged in order of atomic number - the number of __________ in the nuclei of the atoms
Protons
The vertical columns are called __________
Groups
The horizontal rows are called ____________
Periods
Metals tend to be ________ with ______ melting and boiling points and with relatively _______ densities
Solids
High
High
Elements in the same ________ have the same number of ____________ in their outer shells, this governs how they react meaning elements in the same ________ will have similar chemical properties
Group
Electrons
Group
Metals are _______ conductors of electricity and heat
Good
True or false: Metals are shiny
True
Metals form ___________ ions in the compounds
Positive
Metals have oxides which tend to be basic, reacting with ________ to give a salt and water
Acids
Non metals tend to have ________ melting and boiling points (carbon and silicone are obvious exceptions)
Low
Non metals tend to be _________ and solid and, even if they are crystalline they don’t have the same _________
Brittle
Shine
Non metals don’t usually conduct electricity - __________ and __________ are exceptions
Carbon and silicon
Non metals tend to form ____________ ions and covalent compounds
Negative
Non metals are ________ conductors of heat
Poor
Non metals have oxides which are ___________ or neutral
Acidic
