There are ______ number of known elements. - Science

There are ______ number of known elements.

Fill in the Blanks

There are 118 number of known elements.

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Chapter 3: Matter Around Us - Evaluation [Page 38]

Chapter 3 Matter Around Us
Evaluation | Q II. 6. | Page 38

Write the Chemical Name of the Following and Also Give Their Molecular Formulae:

Marble

Name: a Metal Which is a Poor Conductor of Electricity.

Give two examples of Metals.

Fill in the blank
_________ refers to the number of atoms in the molecule of an element

Indicate whether the following statement is true or false:
All elements are artificially prepared

Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are

Tick (√) the correct alternative from the choice given for the following statement

The most ductile metal.

Tick (√) the correct alternative from the choice given for the following statement

A gaseous non-metal.

Give the name of the radical - SO₄

Write the names of elements from the following symbol: