Question

i)One atom present in second period and 16th group. Write the name, and<br />electronic configuration of this element.<br />ii)Why carbon is called a versatile elements?<br />Snigdha took sulphur powder on a spatula and heated it.<br />She collected the gasevolved by inverting a test tube over<br />it, as shown in figure below.<br />(a) What will be the action of gas on<br />(i) dry litmus paper?<br />(ii) moist litmus paper?<br />(b) Write a balanced chemical equation for the<br />reaction taking place.


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Answer 1

Answer:

Matter is a substance that has inertia and occupies physical space. According to modern physics, matter consists of various types of particles, each with mass and size. The most familiar examples of material particles are the electron, the proton and the neutron. Combinations of these particles form atoms.

Explanation:

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