Explanation:
Unlike the traditional definition of defining acid as any substance that can react with a base to form salt and water, there are two other definition of acid.
These are lewis acid and bronsted lowry acid.
Lewis acid is any substance that can accept a pair of non bonding electrons. This is why H+ is able to as a lewis acid.
Bronsted lowry definition on the other hand is as follows; A brosted lowry acid is any species that can donate a proton to another molecule. A bronsted lowry base is any specie that can accept a proton from another molecule. NH3 is able to accept a proton, hence it is termed as a bronsted lowry base.
BF3 act as a lewis acid because it can accept accept a pair of non bonding electrons. Generally; an atom, ion, or molecule with an incomplete octet of electrons can act as an Lewis acid.
Answer: two elements and three atoms
Explanation:
An element is the simplest substance and hence cannot be broken down using chemical reactions.
Magnesium chloride
is an ionic compound formed by the transfer of electrons from element magnesium (Mg) to element chlorine (Cl) where Magmesium forms a cation
by losing two electrons and chlorine forms an anion
by gaining electron.
There are 3 atoms in Magnesium chloride
which include one atom of magnesium (Mg) and two atoms of chlorine (Cl).
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London Dispersion force or Van de waals force is a temporary attractive force which are the weakest and occur between nonpolar noble gases and same charges. This force is weaker because they have more electrons that are farther from the nucleus and are able to move around easier.
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Dipole force is present between the polar molecules. Polar molecules are those molecules which have slightly negative and slightly positive charge. Dipole-dipole forces are attractive forces between the positive end of one polar molecule and the negative end of another polar molecule.
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It is a special type of dipole force present between polar molecules, it is formed between Hydrogen atom which forms positive ion, and the other negative ion. It results from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom such as a N, O, or F atom. The hydrogen bond is one of the strongest intermolecular attractions, but weaker than a covalent or an ionic bond.
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Answer:
To find the number of neutrons in an isotope, subtract the number of protons from the atomic mass of the isotope. The atomic number of the element equals the number of protons.