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The Atom
Atomic Structure
Periodic Table
Elements
Calculations
100
This particle has a negative charge.
What is the electron?
100
The number of electrons that the first electron energy level can hold.
What is 2?
100
The horizontal rows on the periodic table are called this.
What are periods?
100
These elements are shiny, ductile, and malleable.
What are metals?
100
The number of protons and electrons in a Neon atom?
What is 10?
200
The particles that are found in the nucleus of the atom.
What are the protons and neutrons?
200
The charge on the neutron.
What is neutral?
200
The up and down columns on the periodic table are called this.
What are groups/families?
200
The elements that can be found to the right of the zig-zag line on the periodic table.
What are non-metals?
200
The number of neutrons in a Sodium atom.
What is 12?
300
When the number of protons changes in an atom it forms one of these.
What is anew atom?
300
The number of electrons that are located on the third electron energy level.
What is 8?
300
The number at the top of a periodic table square is called the ___________________ and it gives you the number of __________________ in an atom.
What is atomic number, protons?
300
These elements are dull, brittle, and have low melting points.
What are non-metals?
300
The number of valence electrons on a Berylium atom.
What is 2?
400
The greek word "atomos" which the word atom came from means this.
What is indivisible (uncuttable, cannot be divided into smaller pieces)?
400
The electrons that fill the outer most energy level are called this.
What are valence electrons?
400
This number is used to calculate the number of neutrons in an atom by rounding it and then subtracting the atomic number from it.
What is the atomic mass?
400
The number of groups on the periodic table.
What is 18?
400
The number of electrons in the isotope Al-28.
What is 13?
500
The area of the atom where the electrons can be found.
What is the electron cloud?
500
The number of _____________ in an atom, determines what element the atom is.
What are protons?
500
The name of the scientist that organized the periodic table.
Who is Mendeleev?
500
These elements can be found along the zig-zag line on the periodic table and have properties of both metals and non-metals.
What are metalloids?
500
The number of electrons in a He+.
What is 1?