Element
Atomic Number
Atomic Mass
Protons
Neutrons and Electrons
100
This element has an atomic number of 1.
What is H?
100
This is the atomic number of F.
What is 19?
100
This element has an atomic mass of 4.
What is He?
100
This element has 3 protons.
What is Li?
100
This element has 11 electrons.
What is Na?
200
This element has an atomic number of 19.
What is K?
200
This is the atomic number of the element that has 12 protons.
What is 12?
200
This is the atomic mass of an element that has 10 neutrons and 10 protons.
What is 20?
200
This element has 16 protons.
What is S?
200
This is the number of electrons that an element with an atomic number of 26 and an atomic mass of 56 has.
What is 26?
300
This element has an atomic mass of 106.
What is Pd?
300
This is the atomic number of the element that has 28 protons.
What is 28?
300
This is the atomic mass of an element that has 24 protons and 28 neutrons.
What is 52?
300
This element has an atomic mass of 108 and 61 neutrons.
What is Ag?
300
This is the number of neutrons that an element with an atomic number of 26 and an atomic mass of 56 has.
What is 30?
400
This element has an atomic mass of 27.
What is Al?
400
This is the atomic number of the element that has an atomic mass of 14.
What is 7?
400
Xe has an atomic mass of 131 and an atomic number of 54. This is the number of neutrons it contains.
What is 77?
400
This element has an atomic mass of 197 and 118 neutrons.
What is Au?
400
This is the number of neutrons that Kr has. (atomic number 36)
What is 48?
500
This element has 20 protons.
What is Ca?
500
This is the atomic number of the element that has an atomic mass of 40.
What is 18?
500
Pt has an atomic mass of 195 and an atomic number of 78. This is the number of neutrons it contains.
What is 117?
500
This element has an atomic mass of 65 and 35 protons.
What is Zn?
500
This element has 74 electrons and 110 neutrons.
What is W?
M
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