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प्रश्न
Write the names of elements from the following symbol:
Fe
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उत्तर
Fe- Iron
संबंधित प्रश्न
Give one example for the following types of mixtures :
solid-liquid heterogenous mixture.
Fill in the blank
The most abundant element in the atmosphere is _______.
Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Complete the statement given below by filling in the blank with the correct word.
The basic unit of an element is an __________.
Who are my companions?
| Group 'A' | Group 'B' |
| 1. Stainless steel | (a) Non-metal |
| 2. Silver | (b) compound |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (d) Element |
| 5. Coal | (e) Alloy |
| 6. Hydrogen | (f) Metal |
Write the names of elements from the following symbol:
Ti
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
How are elements classified?
