This word means "repeating".
What is periodic?
Ag
Silver
K
Potassium
Al
Aluminum
H
hydrogen
The three main groups of elements are these.
What are metals, nonmetals, metalloids?
True Or False
Copper and iron are both transition metals
True
The number of naturally made elements on the periodic table.
What is 92
Name all the noble gases
What is Helium, Argon, Krypton, Xenon, neon, and radon.
The atomic number tells how many of these are in the atom's nucleus.
What is protons?
The electrons in the outer most shell are known as?
valence electrons
What is mercury?
Elements in Group 2 are known as?
Alkaline Earth Metals
The vertical columns of the periodic table
groups/families
Sulfur has how many electrons?
What is 16.
What are transition metals?
Group 18 elements are extremely nonreactive nonmetals known as this.
What are noble gases?
Elements in Group 1 are known as?
Alkali metals
Horizontal rows in the periodic table are know as?
Periods
This is the sum of all the isotopes of an atom.
What is atomic mass?
This class of elements have properties of both metals and nonmetals.
What are metalloids?
This is the only metal that is not a solid at room temperature.
What is Mercury?
Elements in Group 18 are known as?
What are Noble Gases?
These metals contain familiar metals such as gold, iron, and copper
Transition metals
Name the state of matter of cesium.
What is a solid