Periodic Table 1
Cu
copper
Ag
Silver
K
Potassium
Al
Aluminum
H
hydrogen
The three classes of elements are these.
What are metals, nonmetals, metalloids?
True Or False
Copper and iron are both transition metals
True
The number of neutrons in Krypton (Kr)
What is 48
Name all the noble gases
What is Helium, Argon, Krypton, Xenon, neon, and radon.
The electrons in the outer energy level are called this.
What are valence electrons?
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
How many metaloids are there?
This class of elements have properties of both metals and nonmetals.
What are metalloids?
The first energy shell is located where?
Closest to the nucleus
Elements in Group 18 are known as?
Halogens
These metals contain familiar metals such as gold, iron, and copper
Transition metals
Name the state of matter of cesium.
What is a solid