Chemistry
Elements which have their outermost orbits incomplete are:
- Transition elements
- Noble gases
- Inner transition elements
- Representative elements
Periodic Table
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Answer
Transition elements, Inner transition elements, Representative elements.
Reason — Noble gases have a stable electronic configuration with their outermost orbits complete.
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Related Questions
Which of the following statements is correct with respect to the elements — Na, Mg, Al, Si, P, S and Cl.
- Each element belongs to the same group.
- Valency of each element is the same.
- Each element belongs to the same period.
- They are all metals.
Elements with 2 electrons in their outermost shells are known as :
- Alkali metals
- Halogens
- Alkaline earth metals
- Inert gases
The element with atomic number 16 is placed in the modern periodic table in:
- 2nd period and VI A group
- 3rd period and IV A group
- 3rd period and VI A group
- 2nd period and IV A group
The strongest reducing agents are the elements of group:
- Six
- Seven
- One
- Two