Unique for each element
What is the # of protons?
The first Energy Level (Electron Shell) can hold this many electrons.
What is 2?
This is where metals are found on periodic table
What is the left side?
A row across on the periodic table
What is Period?
The Atomic Number tells us the number of these.
Protons and Electrons (when neutral)
What is 7?
The number of Protons in an atom of Iron (Fe).
What is 26?
Every Energy Level (Electron Shell) after the first one can hold this many electrons.
This is where metalloids are found on periodic table
What is the staircase, between metals and nonmetals
A column up and down on the periodic table.
What is a group/family?
Atomic Mass is equal to this
What is protons + neutrons?
The number of items in a Bakers Dozen.
What is 13?
An atom of Magnesium has 12 protons, 12 neutrons, and 12 electrons. This is that Atom's Atomic Mass.
What is 24?
Hydrogen has this many Valence Electrons
What is 1?
Most metals at room temperature are this
What is Solid?
Elements in a group have the same number of this.
What are Valence Electrons
An atom with a positive or negative charge due to gaining or losing electrons
The number of elements on the Periodic Table.
What is 118?
The number of Neutrons.
What is 18?
The number of Valence Electrons Aluminum (Al) has.
What is 3?
The elements are poor conductors of heat and electricity, dull and brittle
What are nonmetals?
Elements in a period have the same number of this, but different properties
What are Energy Levels (Electron Shells)?
Good conductors of heat and electricity. Found on the left side of the periodic table.
What are metals?
The number of elements on the periodic table that begin with the letter Z.
What is 2?
Increases left to right on periodic table. How the periodic table is organized
What is by Atomic Number?
When an atom gains or loses a Valence Electron.
What is an Ion?
These elements share properties of both metals and nonmetals
What are Metalloids?
The modern periodic table is organized according to this.
What is by increasing atomic number?
Found in the outermost/highest Energy Level (Electron Shell).
Valence Electrons
The age you become eligible to run for President.
What is 35?
An atom of Argon has 18 protons, 21 neutrons, and 18 electrons. This is that atom's Atomic Mass.
Valence Electrons determine these.
What is Chemical and Physical Properties?
Brittle, dull, mostly gas, poor conductors.
What is (properties of) Nonmetals?
Elements in a Group/Family have similar these.
Physical and Chemical Properties
Two atoms of the same element with a different number of neutrons in the nucleus
What are Isotopes?
In inches, the height of a table tennis net.
What is 6 inches?
The only element to have 80 protons in it's nucleus
What is Mercury?
An atom with a completely full outer most energy level is this.
What is unreactive?
Used in computer chips.
Metalloids (Silicon)
Of the four elements listed, which two would have the most similar properties
- Chlorine (Cl)
- Nitrogen (N)
- Lithium (Li)
- Fluorine (F)
What are Chlorine (Cl) and Fluorine (F)?
What is a Positive Ion?
The average number of seeds a strawberry has on it's surface.
What is 200?
The average mass of isotopes of an element; protons and neutrons combined.
What is atomic mass?
What an atom becomes when it gains a valence electron.
What is a Negative Ion?
Another name for a Metalloid.
What is semiconductor?
Of the four elements listed, which two would have the most similar properties
- Magnesium (Mg)
- Sodium (Na)
- Calcium (Ca)
- Sulfur (S)
What are Magnesium and Calcium?
Do not follow most trends on the periodic table.
What are Transition Metals?
The value of the most expensive baseball card ever sold (Honus Wagner).
$6.6 Million