noble gases
What is the tenth element of the periodic table?
Ne (Neon)
Most of the metals in the periodic table is in what side of the periodic table?
Left side
Is astatine radioactive?
Yes
What is the first lanthanoid in the periodic table?
La (Lanthanum)
Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, and Sodium are all nonmetals.
T or F
F- Sodium is a metal
What is the last element of the periodic table?
Og (Oganesson)
Is silicon a metal?
No, silicon is not a metal because it is a semiconductor.
What contains fluorine in our daily life?
Toothpaste
What is the 69th element of the periodic table?
Tm (Thulium)
Is Platinum a nonmetal?
No, it is a metal.
How many noble gases are there?
7 (seven)
Why is iron used in a lot of skyscrapers?
Iron mixed with other metals are strong, and a little bendable.
How many halogens are there?
6
Where is Plutonium used in war?
Nuclear Weapons
What is a substance that doesn't conduct electricity and heat well called?
Insulator
What is a noble gas?
It is gases that are not very reactive.
What is the only liquid metal in room temperature?
Hg (Mercury)
What is the seventeenth element of the periodic table, and what is made out of it?
Chlorine, disinfectant in pools
Where is Uranium used as an energy source?
Nuclear fusion reactor
What is a metalloid?
It is an element with half the properties of both metal and nonmetal, and is usually a semiconductor.
What is the eighteenth element of the periodic table, and how much percentage of the atmosphere is it made out of it?
Ar (Argon), 1.8%
What are the properties of a metal?
-is hard
-is ductile and has malleability.
-has luster, which means it's shiny
-are good conductor of heat and electricity
What is the only liquid halogen in the periodic table?
Br (Bromine)
From ___________, the __________th element is a manmade element.
What is in the ________?
Np (Neptunium), 93
What is a nonmetal?
An element that has properties exact opposite of a metal.