Advertisements
Advertisements
Question
_______ is the distance between the nucleus of the atom and its outermost shell.
Options
Atomic radius
Atomic diameter
atomic mass
atomic size
Advertisements
Solution
Atomic radius is the distance between the nucleus of the atom and its outermost shell.
Explanation:
The atomic radius is defined as the distance between the center of the nucleus and the outermost shell containing electrons in an atom. It is the standard measure used to describe the size of an atom.
APPEARS IN
RELATED QUESTIONS
Arrange the following as per the instruction given in the bracket:
Mg, Cl, Na, S, Si (decreasing order of atomic size).
Answer the following in respect of element `31/15 P `
Give its formula with chlorine?
Which is greater in size Fe2+ or Fe3+?
Size of atom progressively becomes smaller when we move from sodium (Na) to chlorine (CI) in the third period of the periodic table?
Give reasons for the following:
The size of the anion is greater than the size of the parent atom.
Study the radius of the element given below and answer the following questions.
| elements | K | Na | Rb | Cs | Li |
| Atomic radius (pm) | 231 | 186 | 244 | 262 | 151 |
a) Which of the above elements have the smallest atom?
b) In which group of the modern periodic table the above element are belongs?
c) What is the periodic trend observed in the variation of atomic radii down a group?
The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?
The size of an atom is indicated by its ______.
Atomic radius is expressed in the unit ______.
Write an explanation.
Atomic radius
Write information about the given atomic numbers in the table.
| Atomic Number | Electronic configuration | Group | Period | Element |
| 10 | ||||
| 20 | ||||
| 7 |
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 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:
Mg2+, Mg, Mg+
Explain your choice.
Which one has the largest size?
