Atomic Models
Subatomic Particles
Periodic Table
Elements
More Elements
Even More Elements
100
The electrons in the outer energy level
What are valence electrons?
100
A part of an atom with a negative charge
What is an electron?
100
The modern periodic table is organized according to this.
What are by increasing atomic number?
100
Atomic mass - Atomic number
What is the formula for finding the neutrons of an atom?
100
Second row, 18th column
What is Neon?
100
These elements comprise columns 3 - 12 on the periodic table.
WHat are transition metals?
200
The location of protons and neutrons.
What is inside the nucleus?
200
The location of electrons.
What is outside the nucleus?
200
Columns on a periodic table
What are groups?
200
Arsenic (As) has 33.
What are protons and electrons?
200
Found in a zigzag line on the periodic table.
What are metalloids?
200
Except for helium, the elements in this group all have 8 electrons in their outer level.
What is group 18 or noble gases.
300
The atomic number tells you this.
What is the number of protons (and electrons) an atom of an element has?
300
The maximum number of electrons the 2nd orbital, or energy shell, can hold.
What is 8.
300
Rows on the periodic table
What are periods?
300
Arsenic (As) has 42.
What are neutrons?
300
An atom with a completely full outer most (valence) energy level is this.
What is nonreactive or noble gases?
300
THese elements, found at the bottom of the periodic table, are elements 89-103.
What are the actinides?
400
The maximum number of electrons the 1st orbital, or energy shell, can hold.
What is 2?
400
A part of an atom with a positive charge
What is a proton?
400
The majority of the elements on the periodic table are this.
What are metals?
400
These are drawings that represent where the parts of an atom are located.
What are atomic models.
400
Tiny particles that make up all matter.
What are atoms?
400
Fourth period noble gas.
What is krypton?
500
This model looks like this
What is Lewis dot model.
500
A subatomic particle with no charge.
What is a neutron?
500
Elements in the same group share this.
What are the same number of valence electrons
500
Elements in group 1 have only 1 valence electron and are considered this.
What are elements that alkali metals?
500
Located on the right side of the zigzag line.
What are nonmetals?
500
THese elements, also found at the bottom of the periodic table, are elements 57-71.
What are lanthanides?
600
The number of electrons that can go into the third level.
What is 18?
600
THis particle has practically no mass.
What is an electron?
600
Fourth period halogen
What is Bromine?
600
Its atomic symbol is Fe
What is iron?
600
Third period Alkaline earth metal.
What is magnesium?
600
These elements are malleable, ductile, and have a metallic luster.
What are metals?