Advertisements
Advertisements
प्रश्न
State the number of elements in Period 1 of the Periodic Table.
Advertisements
उत्तर
Period 1 is the shortest period has 2 elements
संबंधित प्रश्न
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
What is meant by a period, in a periodic table?
Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?
The atomic particle whose number in the atoms of an element always remains the same and which forms the real basis for the modern classification of elements is:
(a) electron
(b) proton
(c) neutron
(d) meson
What are the periods in a periodic table? Give two characteristics of each.
What do you understand by typical elements?
Write an explanation.
Period
The arrangement of elements in the Modem Periodic Table is based on their ______
Which of these belong to the same period?
| Element | A | B | C |
| Atomic number | 2 | 10 | 5 |
Which of the following statements about the Modern Periodic Table is correct:
