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?
The element with atomic number 20 is found in which group and period?
What is the group number for the element with the electron configuration 1s2 2s2 2p6 3s2 3p5?
As you move down a group in the periodic table, the ionization energy generally:
(1) Increases
(2) Decreases
(3) Remains the same
(4) First increases then decreases
As you move from top to bottom in a group, the atomic radius:
(1) Increases
(2) Decreases
(3) Remains the same
(4) First increases then decreases
Which group contains elements that are all nonmetals?
(1) Group 1
(2) Group 2
(3) Group 17
(4) Group 18
Which group in the periodic table is known as the noble gases?
(1) Group 1
(2) Group 2
(3) Group 17
(4) Group 18
The elements in Group 2 are commonly known as ________ metals.
The halogens are located in Group ________ of the periodic table.
The number of the period in which an element is located corresponds to its number of ________ shells.
The period number of an element indicates the highest ________ level that contains electrons in that element.
Elements in the same group of the periodic table have similar chemical properties. True or False?
Elements in the same period have the same number of valence electrons. True or False?
State whether the following statement is true or false: All elements in a period are metals.
State whether the following statement is true or false: Elements in the same period have the same number of occupied electron shells.
