This gas is the only gas who's number of activity levels does not match it's period level.
How many metals are in period 5
What is 14
This element has an Atomic number of 34
What is Selenium?
a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
What is the periodic table
How many Noble gases are there?
How many gases are there on the Periodic Table?
11
You can locate this element at period 6 group 9.
What is Iridium
How do we identify how many electrons an element has?
What is the atomic number/number of protons?
The one- two- or three- letter symbol that helps identify the name of an element.
What is a chemical symbol?
This German scientist created the Periodic Table.
Who is Dimitri Mendeleev?
This gas is the most abundant element in the human body (by weight)
What is oxygen?
What is Sn
This is how many elements are on group 6
What is 32?
The periodic table is actually a ranking based on this
What are atomic weights/atomic masses
This is how many elements are in the Periodic Table
What is 118
This gas is the lightest element among all elements in the periodic table.
What is Hydrogen?
Fe
What is Iron
These two elements are the only elements that occur naturally as liquids at room temperature.
What are mercury and bromine?
This is how we identify the activity levels that occur in an element.
What are periods?
92 elements can be found naturally in nature. The rest of the elements are considered this;
What are manmade elements
All of the gases on group 14.
What is Carbon?
The heaviest naturally occurring element is Uranium. How many neutrons does uranium have?
What is 146?
How many transition metals are there on the periodic table?
38.
How many Inert gases are there?