Advertisements
Advertisements
Question
Complete the table pertaining to the following elements given in Column I.
| Column I Elements | Atomic Number | Electronic Configuration | Underline the element present in that group |
| 1. Hydrogen | 1 | ______ | Be/Na/Ca |
| 2. Carbon | 6 | ______, ______ | N/P/Si |
| 3. Nitrogen | 7 | _______, ______ | C/P/S |
| 4. Oxygen | 8 | _______, ______ | N/S/Cl |
| 5. Sulphur | 16 | _____, ______, _______ | O/N/F |
| 6. Chlorine | 17 | _____, ______, ______ | I/O/S |
Advertisements
Solution
| Column I Elements | Electronic Configuration | Element |
| 1. Hydrogen | 1 | Na |
| 2. Carbon | 2, 4 | Si |
| 3. Nitrogen | 2, 5 | P |
| 4. Oxygen | 2, 6 | S |
| 5. Sulphur | 2, 8, 6 | O |
| 6. Chlorine | 2, 8, 7 | I |
APPEARS IN
RELATED QUESTIONS
Na, Mg and Al are the elements of the same period of Modern Periodic Table having, one, two and three valence electrons respectively. Which of these elements (i) has the largest atomic radius, (ii) is least reactive? Justify your answer stating reason for each case.
Write the number of vertical columns in the modern periodic table. What are these columns called?
Which element has the electronic configuration 2, 8, 2?
Differentiate between Normal elements and Transition elements.
The element which has the maximum number of valence electrons is:
(a) Na
(b) P
(c) Si
(d) A
An element A has atomic number 14. To which period does this element belong and how many elements are there in this period.
How many groups and periods are there in the modern periodic table?
Fill in the blank
Most electropositive elements belong to ______ group.
Choose the most appropriate answer from the following list of oxides which fit the description.
An amphoteric oxide.
