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प्रश्न
Write the name.
Two elements having two orbits.
उत्तर
Two elements having two orbits- Carbon (C), oxygen (O)
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संबंधित प्रश्न
In Period 3 of the Periodic Table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the option to complete the following statement:
The element B would have ______ metallic character than A.
Is is metal or non-metal?
Answer the following in respect of element `31/15 P `
Is it a metal or non - metal
Metallic character and non-metallic character are periodic properties discuss ?
Give the trend in metallic character:
down the group top to bottom.
Explain the following:
Group 17 elements are strong non-metals, while group 1 elements are strong metals.
How do the following change on moving from left to right in a period of the periodic table?
Give examples in support of your answer.
Nature of oxides of the elements ?
How does the chemical reactivity of
alkali metals vary?
Which has the maximum metallic character Na, Li or K?
iii) Observe the figure and answer the following questions.
a) Identify the block shown by box A and write an electronic configuration of any one element of this block.
b) Identify the block of element denoted by letter B and write its period number.
Mg2+, Cu2+, Na1+, H1+ (In the order of preferential discharge at the cathode)
Select the correct answer
Configuration of an element is 2, 8, 1. Which of the following statement is true?
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)
Match the atomic number with the following:
A metal of valency one.
Arrange the following elements in order of their decreasing metallic character.
Na, Si, Cl, Mg, Al
Electropositivity means _______.
Electronegativity is the metallic property of an element.
Write scientific reason.
The non-metallic character increases while going from left to right in a period.
Choose the odd one out and write the reason:
