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प्रश्न
Write the name.
Two elements having two orbits.
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उत्तर
Two elements having two orbits- Carbon (C), oxygen (O)
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संबंधित प्रश्न
Give the trend in metallic character:
down the group top to bottom.
Which has the maximum metallic character Na, Li or K?
Study the extract of the Periodic Table given below and answer the questions that follow. Give the alphabet corresponding to the element in question. DO NOT repeat an element. 
Which non-metallic element has the valency of 2?
State whether the following statement is true or false
All members of zero group are non metals.
Select the correct answer
Which of the following electronic structure is of a metal?
Supply the missing word from the words given in brackets.
If an element has one electron in its outermost energy level, then it is likely to be _ (metallic, non metallic)
Copy and complete the following sentence choosing the correct word or words from those given below, at the end of the sentence:
The element at the bottom of a group would be expected to show ______ metallic character than the element at the top.
Within a group, where would you expect to find the element with the greatest metallic character.
A group of elements in the periodic table is given below (Boron is the first member of the group and Thallium is the last). Answer the following question in relation to the given group of elements:
Which element has the most metallic character?
Match the atomic number with the following:
A metal of valency one.
On moving down the group metallic character increases.
Write an Explanation.
Electropositivity
Write scientific reason.
The metallic character of elements increases while going down the groups.
A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?
The lightest liquid metal is ______
Three elements B, Si and Ge are
Which of the following set of elements is written in order of their increasing metallic character?
Which of the following metal (s) do not react with water?
Metals are good ______ because they are electron ______.
