Periodic Table Flashcards
What are the columns in the periodic table called
Groups
What are the rows in the periodic table called
Periods
What are the group 0 elements called
Noble gases
What are the group 1 elements called
Alkali metals
What are the elements in group 7 called
Halogens
What does the group number tell us
How many electrons an element needs to lose/gain to get a full outer shell
Which elements are diatomic molecules
HNOF (+group 7)
What is a diatomic element
Elements that exist as a pair
What is the atomic number of an element
How many protons an element has
What is the relative atomic mass of an element
How many protons and neutrons are in the nucleus
Name the 5 separation techniques
Filtration, crystallisation, simple distillation, fractional distillation and chromatography
What does filtration separate
Insoluble solids from liquids
What does crystallisation separate
A solid from the liquid it’s dissolved in
What does simple distillation separate
A liquid from the solid dissolved in it
What does fractional distillation separate
Miscible liquids that dissolve into each other
