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Periodic Table Quiz: Groups and Periods

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Questions and Answers

Which element in Group IIA has the highest density?

Beryllium (Be)

Calcium (Ca)

Strontium (Sr)

Radium (Ra) (correct)

What is the typical ion charge of elements in Group IIIA when they react, excluding Boron?

Trivalent positive ion (correct)

Divalent positive ion

Univalent positive ion

Neutral atom

Which of the following statements is true about alkali metals in Group IA?

They lose one electron during chemical reactions. (correct)

They are known for forming divalent positive ions.

They have a valence shell containing two electrons.

They are less reactive than alkaline earth metals.

Which of the following elements is classified as a metalloid in the periodic table?

Boron (B) Signup and view all the answers

What characteristic is common to all elements in Group IVA?

They have four electrons in their valence shell. Signup and view all the answers

Which statement about the periods of the periodic table is true?

The sixth period is the longest period with 32 elements. Signup and view all the answers

What is the total number of elements in the fifth period?

18 Signup and view all the answers

What range of atomic numbers corresponds to the third period?

11 to 18 Signup and view all the answers

Which of the following periods contains Actinides?

Seventh Period Signup and view all the answers

Which pair of periods both contain 18 elements?

Fourth and Fifth Signup and view all the answers

Study Notes

Group IA (Alkali Metal) or Lithium Family

This group includes Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs) and Francium (Fr).
Their valence shell contains one electron.
On reaction they lose one electron and form univalent positive ion (cation).
They are highly reactive metals.
They have low melting point.

Group II A (Alkaline Earth Metals) or Beryllium Family

This group includes Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba) and Radium (Ra).
Their valence shell contain two electrons.
On reaction they lose two electrons and form divalent positive ion.
They show irregular Densities, Melting and Boiling point.

Group III A (Boron Family)

This group includes Boron (B), Aluminium (Al), Gallium (Ga), Indium (In) And Thallium (Tl).
Their valence shell contain three electrons.
On reaction they lose three electrons and form trivalent positive ion except Boron.

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Description

Test your knowledge of the periodic table with this quiz focusing on Groups IIA, IIIA, and IVA as well as periods. Answer questions about element properties, typical ion charges, and classifications such as metalloids and actinides. Perfect for students studying chemistry!