Advertisements
Advertisements
Question
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
Solution
Y [2, 8, 2] is the metallic element.
APPEARS IN
RELATED QUESTIONS
Fill in the following blanks with suitable words:
A metal having low melting point is ..................... but a non-metal having very high melting point is ..............
State one use of Gold.
Name an alloy of lead and tin.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
Halogen reacts with acid.
Compare the properties of metals and nonmetals. Give three examples for each.
A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
Which of the following two combinations are correct?
Metal | Gas Evolved | |
(i) | Copper | Yes |
(ii) | Iron | Yes |
(iii) | Magnesium | No |
(iv) | Zinc | Yes |
Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K (37°C)
In the given figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.