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Why are the elements of group 18 called ...

Why are the elements of group 18 called noble gases?

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### Step-by-Step Solution: 1. **Identify the Elements in Group 18**: - The elements in Group 18 of the periodic table are Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn). 2. **Understand the Electronic Configuration**: - These elements have a complete outer shell of electrons. For example, Helium has 2 electrons, while the other elements have 8 electrons in their outermost shell (following the octet rule). ...
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(a)Why are the elements of group 18 known as noble gases? (b)Noble gases have very low boiling points why? (c ) Does the hydrolysis of XeF_(6) lend in a redox reaction?

(a)Why are the elements of group 18 known as noble gases? (b)Noble gases have very low boiling points why? (c ) Does the hydrolysis of XeF_(6) lend in a redox reaction?

Why are the elements of group 17 called halogens?

Why elements of group 18 known as noble gases?

Name elements of group 17. What are they called as?

What are the other elements besides noble gases which exist as gases under normal conditions ? Fill up the blanks by choosing the correct option .

The elements of group 16 are called as chalcogens. Give reason.

The group to which noble gases belong

Why group 17 elements are called halogens?

The electronic configuration of elements of group 18 can be represent by

ICSE-PERIODIC PROPERTIES OF ELEMENTS -IMPORTANT ASSIGNMENTS
  1. The elements of group 1 are called alkali metals. Give reason.

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  2. Name two metals each one of which has one electron in its outermost sh...

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  3. The elements of group 2 are called alkaline earth metals. Give reason.

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  4. The alkaline earth metals are placed in the same group. Give reason.

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  5. Name two elements which show chemical reactions similar to magnesium.

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  6. Name the property which all the elements of group 13 have in common.

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  7. Name an element which has a total of two shells and there are three el...

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  8. Name an element which has twice as many electrons in its second shell ...

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  9. Name an element which has a total of three shells and there are four e...

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  10. The elements of group 16 are called as chalcogens. Give reason.

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  11. Name all the elements of group 17.

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  12. Why are the elements of group 17 called halogens?

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  13. Name the property common to all the elements of the group in which flu...

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  14. Why are the elements of group 18 called noble gases?

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  15. Name an element that has two shells each one of which is completely fi...

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  16. Name two elements with filled outermost shell.

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  17. Helium is an unreactive gas and neon has very poor reactivity. What do...

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  18. What is the general name given to the elements of atomic numbers from ...

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