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प्रश्न
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
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उत्तर
The formulae are
X(SO4)3
X(NO3)3
XPO4
X2(CO3)3
X(OH)3
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संबंधित प्रश्न
Five atoms are labelled from A to E.
| Atoms | Mass No. | Atomic No. |
| A | 40 | 20 |
| B | 19 | 9 |
| C | 7 | 3 |
| D | 16 | 8 |
| E | 14 | 7 |
(a) Which one of these atoms:
(i) contains 7 protons,
(ii) has an electronic configuration 2, 7?
(b) Write down the formula of the compound formed between C and D.
(c) predict which are: (i) metals, (ii) non-metals?
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reducing agent.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^23_11Na}\]
How do atoms attain Noble gas electronic configuration?
______ is the only noble gas that does not have eight electrons in its valence shell.
Choose the odd one out and write the reason:
How many atoms of each kind are present in the following molecule:
Chlorine
