pumpkins
leaves
orange
candy
harvest
100
Mendeleeve created this to organize the elements
What is the Periodic Table?
100
This refers to two elements with the same number of protons but a different number of neutrons.
What is an isotope?
100
This the positiviely charged center of an atom.
What is a proton?
100
Protons and neutrons make up this part of an atom.
What is the nucleus?
100
These are the particles that make up protons and neutrons.
What are quarks?
200
A horizontal row in the periodic table is called this.
What is a period?
200
This is the sum of the number of protons and neutrons in an atom.
What is atomic mass?
200
The electrons in an atom are located here.
What is the electron cloud?
200
This refers to the number of electrons in the outer shell.
What is valence electrons?
200
This is the maximum number of electrons in the second shell of an electron dot diagram.
What is 8?
300
The number of valence electrons in Potassium.
What is 1?
300
The number of valence electrons in Neon.
What is 8?
300
The state of matter that Helium is in.
What is gas?
300
The type of material that Tin is.
What is a metal?
300
The period that Platinum is in.
What is 6?
400
A transition metal with 80 electrons.
What is Mercury?
400
A gas with 20 amu.
What is Neon?
400
A gas with 16 amu and 8 neutrons.
What is Oxygen?
400
The number of neutrons in Iron.
What is 30?
400
The number of electrons in Boron-11.
What is 5?
500
The area of the periodic table that is most reactive.
What is the left side?
500
This man developed the model of the atom in which electrons orbit the nucleus in energy levels.
Who is Bohr?
500
Building blocks of matter represented by a symbol.
What is an atom?
500
The type of metals in the center of the periodic table.
What are the transition metals?
500
The number of protons in Nobelium.
What is 102?
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