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प्रश्न
The horizontal rows in a periodic table are called _____.
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उत्तर
The horizontal rows in a periodic table are called periods.
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संबंधित प्रश्न
Name two elements in each case:
Transition element
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
What would be the correct order if Zn, Fe, Al and Cu are arranged in increasing order of reactivity?
Give the symbol and valency of the following element and radical.
Calcium
Give the symbol and valency of the following element and radical.
Ammonium
Noble gases belong to______ group of the periodic table.
The amount of energy released when one or more electrons is added to the neutral atom is ______
Which of the following elements does not lose an electron easily?
Three elements A, B and C have 3, 4 and 2 electrons respectively in their outermost shell. Give the group number to which they belong in the Modern Periodic Table. Also, give their valencies.
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
