Chemistry
Alkaline earth metals have the same:
- Number of valence electrons
- Number of shells
- Metallic property
- lonization potential
Periodic Table
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Answer
Number of valence electrons
Reason — All group 2 alkali earth metals are the elements having 2 valence electrons in their outermost electrons. Whereas, number of shells and metallic property increases down the group and ionisation potential decreases down the group.
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Related Questions
The tendency of an atom to attract shared pair of electrons to itself when forming a chemical bond is known as
- Electron affinity
- Electronegativity
- lonization potential
- Nuclear charge
Elements A & B have electronic configuration : 8 & 13 respectively. The chemical formula formed between A & B will be:
- AB
- B3A3
- A2B3
- B2A3
The electronic configuration of four elements is:
(i) W: 2,6
(ii) X: 2,8
(iii) Y: 2,8,1
(iv) Z: 2,8,7Which pair of atoms will form a covalent compound.
- Two atoms of W
- Two atoms of X
- An atom of W & an atom of X
- An atom of Y & an atom of Z
Element with an atomic number 19 will:
- Accept an electron & get oxidized
- Accept an electron & get reduced
- Lose an electron & get oxidized
- Lose an electron & get reduced