Name a soft metal.

Name a soft metal.

One Word/Term Answer

Gold

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Chapter 3: Elements, Compounds and Mixtures - Exercise 3 (A) [Page 24]

Chapter 3 Elements, Compounds and Mixtures
Exercise 3 (A) | Q 5.1 | Page 24

Correct the following statement:

CO and Co both represents cobalt.

Define the term: Element

Answer the following question:
Give the advantages of using symbols instead of names of elements or compounds.

Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are

Give the name of the radical - CO₃

Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.

Select the correct answer to the statement given below:

A compound containing carbon, oxygen and calcium.

Select the correct answer from A, B, C, D & E for the statement given below :

A metalloid.

Classify the following as metals, non-metals and metalloids.

Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper

Assertion: Air is a mixture of elements only.

Reason: Only nitrogen, oxygen and neon gases exist in air.