Periodic Table 1
Periodic Table 2
Periodic Table 3
Periodic Table 4
Periodic Table 5
100
The electrons in the outer energy level
What are valence electrons?
100
Subatomic Particle with a negative charge
What is an electron?
100
The atomic number is equal to this
What is the number of protons (and electrons) an atom of an element has?
100
Atomic mass - Atomic number
What is the formula for finding the neutrons of an atom?
100
A subatomic particle with no charge.
What is a neutron?
200
The location of protons and neutrons.
What is inside the nucleus?
200
Reactivity of an atom with a full outer energy orbital.
What is nonreactive or not reactive at all?
200
The number of protons in an atom of calcium.
What is 20?
200
Arsenic (As) has 33 of these.
What are protons and electrons?
200
The location of electrons.
What is the electron cloud?
300
Columns (up and down) on a periodic table
What are groups?
300
The maximum number of electrons the 2nd orbital, or energy shell, can hold.
What is 8.
300
Rows on the periodic table (side to side)
What are periods?
300
The number of neutrons in an atom of neon with a mass number of 21
What is 11.
300
Elements in the same group share this.
What are the same number of valence electrons
400
The maximum number of electrons the 1st orbital, or energy shell, can hold.
What is 2?
400
Subatomic particle with a positive charge
What is a proton?
400
The majority of the elements on the periodic table are this.
What are metals?
400
The amount of energy orbitals that Lithium has.
What is 2?
400
The most reactive groups on the periodic table.
Group 1A and 7A
500
The mass number of this atom of oxygen
What is 16?
500
This group is not reactive at all.
What is group 8A?
500
Elements in group 1 have only 1 valence electron and are considered this.
What are elements that are considered extremely reactive?
500
The subatomic particle with no mass
What is the electron.
500
The amount of valence electrons that chlorine has.
What is 7?