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Properties
Elements
100
The person who discovered the electron.
What is JJ Thomson?
100
The element in group 1, period 2.
What is lithium?
100
when 2 surfaces rub against each other
What is friction?
100
this element is a soft, shiny metal
What is Silver?
100
The element with the atomic number of 2
What is Helium??
200
The person who discovered atoma
What is Democritus?
200
The element in group 18, period 2
What is neon?
200
what is the 8th grade textbook called
What is Focus on Physical Science?
200
an element with a characteristic yellow colour
What is gold?
200
The element with the atomic number of 79
What is gold?
300
the person who discovered the neutron
What is James Chadwick?
300
The element in the group 14 and period 6.
What is lead?
300
a force that pulls an object towards eachother
What is Gravity?
300
this element is used to make pennies
What is copper?
300
The element with the atomic number of 8
What is oxygen?
400
His model of the atom displayed electrons orbited the nucleus set distances
What is Niels Bohr?
400
Th element in group 17, period 5.
What is iodine?
400
this is when a gas changes to a liquid
What is condensation?
400
this element reacts vigorously with water.
What is lithium?
400
The element with the atomic number 31
What is Gallium?
500
TRUE OR FALSE. People believed there were four elements that made up all matter which were fire, air, water, and earth.
What is TRUE?
500
The element in group 12, period 6
What is mercury?
500
this cant flow and has a definite shape and volume
What is a solid?
500
this metal is room temperature and melts in your hand, when it freezes it turns into crystals
What is Gallium?
500
The element with the atomic number 98
What is californium?