Are noble gases a part of representative elements.
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It's 3 a.m., and you can't sleep. Your mind is racing from all of the element talk from the previous day:
Make sure you get enough calcium so your bones can grow.
You have a leg cramp? Eat a banana so you can get potassium.
Don't forget to get those helium balloons for your brother's party.
Take the aluminum cans to the recycle center.
Stop by the vet and get some iodine for Fluffy's cut.
So many elements! If only there was a way to organize them so you can get some sleep. But wait, there is! Take a look at this, it's the periodic table of elements, and it's the solution to all of your problems. Okay, maybe not, but it is quite impressive. The periodic table is a chart that groups elements together based on similar characteristics and atomic structures.
The Periodic Table
You'll notice that the symbols are used to save room. For example, instead of aluminum, the periodic table says Al. We will be focusing on their representative elements, which are sometimes referred to as the main group elements. We'll take a tour of the periodic table and these elements shortly, but we need to go over some vocabulary first.
When you look at the table, it's helpful to be familiar with some vocabulary so you can navigate. The vertical columns represent families, or groups of elements, whereas the horizontal rows are called periods or series. You'll notice there are numbers above each group of elements. Since our focus is the representative elements, it's worth noting that these include groups 1A through 8A. You'll notice all of the groups belonging to the representative elements have an A after the group number. Sometimes periodic tables use roman numerals for group numbers, but we won't here.
Make sure you get enough calcium so your bones can grow.
You have a leg cramp? Eat a banana so you can get potassium.
Don't forget to get those helium balloons for your brother's party.
Take the aluminum cans to the recycle center.
Stop by the vet and get some iodine for Fluffy's cut.
So many elements! If only there was a way to organize them so you can get some sleep. But wait, there is! Take a look at this, it's the periodic table of elements, and it's the solution to all of your problems. Okay, maybe not, but it is quite impressive. The periodic table is a chart that groups elements together based on similar characteristics and atomic structures.
The Periodic Table
You'll notice that the symbols are used to save room. For example, instead of aluminum, the periodic table says Al. We will be focusing on their representative elements, which are sometimes referred to as the main group elements. We'll take a tour of the periodic table and these elements shortly, but we need to go over some vocabulary first.
When you look at the table, it's helpful to be familiar with some vocabulary so you can navigate. The vertical columns represent families, or groups of elements, whereas the horizontal rows are called periods or series. You'll notice there are numbers above each group of elements. Since our focus is the representative elements, it's worth noting that these include groups 1A through 8A. You'll notice all of the groups belonging to the representative elements have an A after the group number. Sometimes periodic tables use roman numerals for group numbers, but we won't here.
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