Periods and Groups in the Periodic Table
Chemistry ⇒ Atomic Structure and the Periodic Table
Periods and Groups in the Periodic Table starts at 8 and continues till grade 12.
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Describe the trend in electronegativity as you move from left to right across a period.
Describe the trend in metallic character as you move down a group.
Explain why elements in the same group have similar chemical properties.
Explain why the chemical reactivity of alkali metals increases as you move down the group.
How many groups are present in the modern periodic table?
If an element is in period 4 and group 16, how many electron shells does it have?
State the general trend in atomic radius as you move from left to right across a period.
The alkali metals are found in which group of the periodic table?
The element with atomic number 20 is found in which group and period?
The transition elements are found in which periods of the periodic table?
What is the group number for the element with the electron configuration 1s2 2s2 2p6 3s2 3p5?
What is the maximum number of elements that can be present in a period?
Which group is also known as the chalcogens?
Which period contains the element with atomic number 17?
