Advertisements
Advertisements
प्रश्न
Write the names of elements from the following symbol:
Pt
Advertisements
उत्तर
Pt- Platinum
संबंधित प्रश्न
Fill in the blank
A pure substance has definite.................. and constant ..............
What are the different types of mixtures ?
Name: a Metal Which is brittle
Name: a non-metal which is lustrous
Define: Molecule
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
Give a reason for the following statement:
Components in a mixture are present in varying proportions and not in a fixed proportion.
Elements are broadly classified into metals and non-metals. State six general differences in the physical properties of metals and non-metals. State two metals and two non-metals which contradict with the general physical properties – giving reasons. State one difference in property between metalloids and noble gases.
Explain the term ‘mixture’.
Complete the table:
| Element | Latin Name | Symbol |
| Mercury | ______ | Hg |
| Lead | Plumbum | ______ |
| Iron | ______ | Fe |
| Potassium | Kalium | ______ |
