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प्रश्न
The size of an atom is indicated by its _______.
विकल्प
atomic number
radius
number of shells
atomic mass
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उत्तर
The size of an atom is indicated by its radius.
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संबंधित प्रश्न
Answer the following in respect of element `31/15 P `
Is it a reducing agent or oxidizing agent?
Why is the size of sodium is greater than magnesium?
Size of atom progressively becomes smaller when we move from sodium (Na) to chlorine (CI) in the third period of the periodic table?
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Write the name and symbol of the element from the description.
The atom having the smallest atomic mass.
Arrange the following in increasing order of property indicated
I, I+, I- (atomic size)
Moving from left to right, the size of the atom decreases.
The electronic configuration of metal A is 2, 8, 18, 1.
The metal A when exposed to air and moisture forms B a green layered compound. A with con. H2 SO4 forms C and D along with water. D is a gaseous compound. Find A, B, C, and D.
Which of the following is the correct order of size?
Which among the following elements has the largest atomic radii?
Which of the following are the characteristics of isotopes of an element?
- Isotopes of an element have same atomic masses
- Isotopes of an element have same atomic number
- Isotopes of an element show same physical properties
- Isotopes of an element show same chemical properties
Elements have been arranged in the following sequence on the basis of their increasing atomic masses.
| F, | Na, | Mg, | Al, | Si, | P, | S, | Cl, | Ar, | K |
- Pick two sets of elements which have similar properties.
- The given sequence represents which law of classification of elements?
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
- In below ladder symbols of elements are jumbled up. Rearrange these symbols of elements in the increasing order of their atomic number in the Periodic Table.
- Arrange them in the order of their group also.
An element with the largest atomic radius among the following is ______.
Arrange the following as per the instruction given in the bracket:
Carbon, Fluorine, Beryllium (decreasing order of atomic size).
Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
Arrange the following in order of increasing radii:
N, O, P
Explain your choice.
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 A would have ______ atomic size than B.
