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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
संबंधित प्रश्न
Answer the following in respect of element `31/15 P `
Give its formula with chlorine?
Give the trends in atomic size on moving down the group.
Give reason for the following:
Argon atom is bigger than chlorine atom.
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
Arrange the following as per the instruction given in the bracket:
Mg, Cl, Na, S, Si, (decreasing order of atomic size).
Arrange the following as per the instruction given in the bracket
Na, K, Li (Increasing atomic size)
Right or wrong sentence.
The size of an atom depends on the number of valence electrons.
Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If the atomic number of carbon is 6, the atomic number of silicon is ______
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
Which one has the largest size?
