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प्रश्न
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The atomic size:
विकल्प
Decreases
Increases
Remains the same
Sometimes increases and sometimes decreases
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उत्तर
Decreases
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संबंधित प्रश्न
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
Write the name and symbol of the element from the description.
The atom having the smallest size.
Write a scientific reason.
Atomic radius goes on increasing down a group.
Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size
Arrange the following in increasing order of property indicated
I, I+, I- (atomic size)
Supply the missing word from those in the brackets:
If an element has seven electrons in its outermost shell then it is likely to have the ______ (largest/ smallest) atomic size among all the elements in the same period.
Which of the following is the correct order of atomic size?
Which of the following is the correct order of size?
Write the formula of the product formed when the element A (atomic number 19) combines with the element B (atomic number 17). Draw its electronic dot structure. What is the nature of the bond formed?
An element X (atomic number 17) reacts with an element Y (atomic number 20) to form a divalent halide.
- Where in the periodic table are elements X and Y placed?
- Classify X and Y as metal (s), non-metal (s) or metalloid (s)
- What will be the nature of oxide of element Y? Identify the nature of bonding in the compound formed
- Draw the electron dot structure of the divalent halide
