Advertisements
Advertisements
प्रश्न
Write the radical of the following valency:
Carbonate
विकल्प
1+
2+
3+
1−
2−
3−
MCQ
उत्तर
2−
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Match the metallic elements – with their correct symbols Metallic elements
| Metallic elements | Symbol |
| (a) Potassium | (1) Ca |
| (b) Sodium | (2) Zn |
| (c) Calcium | (3) Pb |
| (d) Magnesium | (4) Hg |
| (e) Zinc | (5) Cu |
| (f) Aluminum | (6) Au |
| (g) Iron | (7) K |
| (h) Lead | (8) Fe |
| (i) Copper | (9) Al |
| (j) Mercury | (10) Na |
| (k) Silver | (11) Mg |
| (l) Platinum | (12) Pt |
| (m) Gold | (13) Ag |
Explain the terms ‘chemical formula’.
State which element exists in the highest percentage in atmosphere.
Give the symbol of the following element:
Oxygen
Give the symbol of the following element:
Boron
Give the symbol of the following element:
Bromine [bromide]
State the type of element for the following:
Mercury
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Oxide
In the same way in chemistry, each element is denoted by a ______.
Antimony has the highest tensile strength.
