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प्रश्न
Give the chemical formula of sodium hydroxide
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उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{NaOH}\]
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संबंधित प्रश्न
The atomic numbers of four elements P, Q, R and S are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is:
(a) P
(b) Q
(c) R
(d) S
Which element has the electronic configuration 2, 8, 2?
What is a period in a periodic table?
What is a group in the periodic table?
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
How does the electronic configuration of an atom relate to its position in the modern periodic table?
Give the symbol and valency of the following element and radical.
Hydrogen
State what is meant by the term chemical formula.
Position of A, B and C three elements is given in the table from the modern periodic table. Answer the following questions.
| Periods | Group 2 | Group 17 |
| 2 | ----- | A |
| 3 | B | ----- |
| 4 | ----- | C |
- What is A element metal or nonmetal?
- Which is the outermost orbit of element B?
- Identify C element and it's physical state.
______ and ______ are called inner transition elements.
