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Charges
Subatomic
Numbers
Periodic Table
Element Basics
100
Part of the atom that has a positive charge.
What is a proton?
100
Three subatomic particles.
What are protons, neutrons, and electrons?
100
The sum of protons and neutrons in the nucleus of an atom.
What is mass number?
100
These are found on the right side of the periodic table
What are non-metals?
100
The whole number above the chemical symbol in an element
What is the atomic number?
200
Part of the atom with a negative charge.
What is an electron?
200
Located outside of the nucleus and have a negative charge.
What are electrons?
200
The number of protons in an atom of a certain element.
What is atomic number?
200
These are shiny, good conductors of heat and have luster
What is a metal?
200
The largest category (metals, non-metals, metalloids) has the most elements.
What are metals?
300
When an atom gains an electron it has this kind of electrical charge.
What is a negative charge?
300
Located inside of the nucleus and have a positive charge.
What are protons?
300
The atomic number of Oxygen.
What is 8?
300
These are poor conductors of heat and electricity. They are dull in appearance
What is a non-metal?
300
Subatomic particle that has a negative charge and much less mass than a proton.
What is an electron?
400
When an atom loses an electron it has this kind of electrical charge.
What is a positive charge?
400
Atoms of different elements have different numbers of these.
What are protons?
400
The number of electrons that fit in the 2nd and 3rd energy levels.
What is 8
400
Are found in the outermost energy level in an atom.
What are valence electrons?
400
A set of characters (letters) that are used to represent an element.
What is a Chemical Symbol
500
An atom that is neither positively or negatively charged.
What is a neutral atom?
500
Where most of the atom's mass is located.
What is the nucleus?
500
Mass number - atomic number = ______ __ ________.
What is the number of neutrons?
500
Elements found on the zig-zag line on the periodic table
What are metalloids?
500
The number of neutrons if an atom has 36 protons, 36 electrons, and a mass of 84.
What is 48?