Solids are generally held together by ionic or strong covalent bonding, and the attractive forces between the atoms, ions, or molecules in solids are very strong. In fact, these forces are so strong that particles in a solid are held in fixed positions and have very little freedom of movement.
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D slightly acidic
milk is slightly acidic or close to neutral pH
It's a single- replacement reaction so Mg+ 2HCl ➡️ H2+ MgCl2
Answer:-
Solution:- To convert atoms to moles we divide the number of atoms by Avogadro number.
The given number of atoms is 
and we are asked to calculate the number of moles of Al that are equivalent to these number of atoms. Let's divide the atoms by Avogadro number:
= 6.951 moles
Hence, 6.951 moles of Al are equivalent to 
.
