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What are families on the priodic table?
In chemistry, a group (also known as a family) is a vertical column in the periodic table of the chemical elements. There are 18 groups in the standard periodic table.
What does the number 18 represent in the number 18 AR?
18 represents the atomic number for Argon. It is the number of protons and of electrons in an argon atom and defines its position in the periodic table.
What are the four families of a periodic table?
The periodic table is arranged based off of A) chemical properties of elements and B) Atomic numbers. When what im assuming your chemistry teacher says four families, he is referring to the four main families of the periodic table that are used in high school chemistry, these are A) Group 1 : The Alkali earth metals , which are all highly reactive metals B) Group 2 : The Alkaline earth metals C) Group 17 : The Halogens, these are all very stable substances which bond very well with the Alkali earth metals to form salts and D) Group 18 : The Noble gasses or Inert gasses , these are all highly stable gasses due to their full valency shell, they do not generally bond with other metals
What is the 18 times table up to 18?
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Which elements on the periodic table have the highest electronegativity AElements on the bottom right BElements on the top right CElements on the top left DElements on the bottom left?
B. Elements on the top right, excluding column 18.
