Advertisements
Advertisements
Question
Advertisements
Solution
Within a group the element with the largest size is expected to be present at the bottom of the group.
APPEARS IN
RELATED QUESTIONS
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
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?
What happens to the atomic size of elements on moving from left to right in a period?
The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. Which one of these elements will form ions most readily and why?
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.
An element X has mass number 40 and contains 21 neutrons in its atom. To which group of the Periodic Table does it belong?
Which of the following gives the correct increasing order of the atomic radii of O, F and N?
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
The diagram below shows part of the periodic table.
- Which elements would react together to form covalent compounds?
- Between the two elements W and Z, which will have a bigger atomic radius? Why?
