Periodic Law and Periodic Table
Chemistry ⇒ Atomic Structure and the Periodic Table
Periodic Law and 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.
Explain why elements in the same group have similar chemical properties.
Explain why the noble gases are placed in a separate group in the periodic table.
Name the scientist who corrected the order of elements in the periodic table using atomic number instead of atomic mass.
State the periodic law as proposed by Moseley.
The atomic number of sodium is 11. In which group and period is it located?
The element with atomic number 17 is found in which group and period?
What is a period in the periodic table?
(1) Elements in the same group have similar chemical properties. (2) Elements in the same period have the same number of valence electrons. Which of the above statements is/are correct? (1) Only 1 (2) Only 2 (3) Both 1 and 2 (4) Neither 1 nor 2
Which group contains the alkali metals? (1) Group 1 (2) Group 2 (3) Group 17 (4) Group 18
Which of the following best describes a period in the periodic table? (1) A vertical column (2) A horizontal row (3) A diagonal line (4) A group of metals
Which of the following elements has the largest atomic radius? (1) Lithium (2) Sodium (3) Potassium (4) Rubidium
Fill in the blank: Elements in the same ________ have the same number of electron shells.
Fill in the blank: The chemical reactivity of alkali metals ________ as you move down the group.
Fill in the blank: The elements in Group 18 are known as ________ gases.
Fill in the blank: The periodic table is divided into blocks based on the ________ sublevel being filled with electrons.
State whether the following is true or false: Nonmetals are generally found on the left side of the periodic table.
State whether the following is true or false: The atomic radius increases as you move down a group.
State whether the following is true or false: The periodic table can be used to predict the chemical behavior of elements.
State whether the following is true or false: The periodic table contains only naturally occurring elements.
