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प्रश्न
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
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उत्तर
Y [2, 8, 2] is the metallic element.
संबंधित प्रश्न
Write ‘true’ or ‘false’ for the following statement.
Iodine acts as an antiseptic in the form of a tincture of iodine.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
State two important uses of following metal:
Uses of silver
State the position of the following in the periodic table:
Iron and zinc
What was Mendeleev's basis for the classification of elements?
With reference to the following metals state their use in daily life metal:
iron
The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?
Metals have high melting points.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
Why do metals appear shiny?
