Structure of the atom
Smaller particals of matter
Masses of atoms
The periodic table
Definitions
100
When did the idea of atoms start
What is 2400 years ago
100
What is the unit of measurement for atoms
What is atomic mass unit
100
What is the atomic number and symbol for hydrogen
1, H
100
Electron cloud
What is region where electrons most probably are found surrounding the nucleus
200
Where did the idea of atoms start
What is greece
200
How many scientists did it take to find the sixth quark
What is 450
200
What is the mass of a proton or neutron
What is 1 u
200
Who created the first periodic table
What is dimitri mendeleev
200
Quarks
What is verry small particals of matter that make up protons and neutrons
300
What is the object used to portray the nucleus in the football stadium
Wstadiums paper clip
300
Are electrons made up of quarks
What is no
300
Number of neutrons=mass number-?
What is atomic number
300
What is in each box of the periodic table
What is name, atomic number,symbol, atomic mass
300
Average atomic mass
What is The average mass of the mixture of its isotopes
400
What is the chemical symbol of carbon
What is C
400
How long is the Tevatron
What is 6.4km
400
Carbon-12 makes up what percent of carbon in living organisms on earth
What is 99 %
400
What are rhe elements in group 18 known as
What is noble gases
400
Isotopes
What is atoms of the same element that have different numbers of neutrons
500
What makes up the electron cloud
What is electrons
500
What state is the Tevatron in
What is illinois
500
What is the mass number of an atom
Whatatoms he sum of the protons and neutrons in the neucleus
500
Name some examplesof metalloids
What is boron, and silicon
500
Dot diagram
What is a diagram to represent electrons in the outer energy layer of an atom
M
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u