Interpretation: The correct letter in the space needs to be determined.
Concept introduction: A table in chemistry, where all elements are arranged by increasing
Answer to Problem 9STP
The correct letter in the space provided:
- Alkaline earth metals
- Halogens
- Alkali metals
- Noble Gases
Explanation of Solution
The periodic table is a very useful way to arrange elements. In a periodic table, the border line between the metals and non-metals are defined as “stair-step” line. Elements that are on the right side of stairs, called non-metals and elements that are on right side of stairs, called metals. Elements along the stair-step line are known as metalloids. In the periodic table vertical columns are known as families.
The alkaline earth metals are the second most active metals in the periodic table. Elements from these group are also known as Group
Halogen means salt-former and compound containing halogens are called “salts”. It exists in all three
In a periodic table, elements of Group
In a periodic table, elements of Group
In a periodic table, elements are divided according to their chemical behaviour.
Chapter 3 Solutions
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