Which of the following species is a molecular element? Which of the following species is a molecular element? sodium neon carbon
1 answer:
Answer: chlorine
Explanation:
Element is a pure substance which is composed of atoms of similar elements. Example: sodium , Neon
Molecule of an element is the smallest unit of any matter which always have independent existence and is made up of similar elements. Example: Chlorine
Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions.
Molecule of a Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass. Example: carbon dioxide
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Explanation:
It is known that in a simple cubic unit cell the atoms are only present at the corner of the unit cell. This means that there are in total 8 atoms present in a simple cubic unit cell.
Therefore, in one simple cubic unit cell sharing of one atom is only .
Hence, the total number of atoms in a unit cell will be as follows.
= 1
Thus, we can conclude that there is 1 calcium atom present in each unit cell.