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Periodic Table
Calculations
Subatomic
100
The number above the symbol
What is the atomic number?
100
1 Proton in an element
What are the amount of protons in hydrogen?
100
The dense part of an atom made of protons and neutrons
What makes/is the nucleus of an atom?
200
The number below the element symbol
What is the atomic mass?
200
10 Electrons in an element
What is the amount of electrons in Oxygen?
200
Negatively charged particles
What are Electrons?
300
Groups
What are the vertical columns of the periodic table called?
300
119 neutrons in an element
What is the amount of neutrons in gold with a mass of 198?
300
The particles that vary in atoms of the same element
What are neutrons?
400
AU
What is the symbol for the element Gold?
400
38 Electrons
How many electrons are in neutral Strontium?
400
The particle that elements of the same type always have the same number of
What are Protons?
500
Increasing atomic mass and decreasing atomic radius
What is the periodic table arrangement from left to right?
500
0
What is the number of neutrons in H-1?
500
Atoms with different numbers of neutrons but are of the same element
What are Isotopes?