Module One Flashcards
(48 cards)
What is an atom?
It is the smallest particle of matter
What is the periodic table arranged of?
120 different elements
How many types of atom does an element have?
Only 1
Are elements natural or man-made?
BOTH! Some are natural some are man-made
What 2 elements are liquid at room temperature?
Mercury(Hg) and Bromine(Br)
What does ‘period’ mean in chemistry terms?
A HORIZONTAL row in the periodic table
What does ‘groups’ mean in chemistry terms?
The columns of the periodic table
What is group one on the periodic table?
The Alkali metals
What is group 7 in the periodic table?
The Halogens
What is group 8 of the periodic table?
The Noble Gasses
What is groups 2&3 in the periodic table?
The transition elements
Are elements given a symbol?
Yes
What side of the periodic table are metals on?
The Left hand side
What side of the periodic table are the non-metals on?
The Right hand side
What are 2 facts about metals?
They are all shiny, and they are all conductors
What are 2 facts about non-metals?
They are all dull, and insulators (except carbon (graphite))
How are Compounds formed?
When elements react together
Do compounds have the same properties as the elements they were made from? Yes or No
No, they have different properties
What are the elements in a compound like?
They are chemically bonded and not easy to separate
If a compound name ends in ‘…ide’ what does else does it contain?
Nothing, just the elements that made it
If a compound name ends in ‘…ite or …ate’ what else does it contain?
The element oxygen
What can electrolysis be used for?
To break a compound into its elements
How many new substance are formed during a physical change?
None
Are physical changes easy to reverse?
Yes
