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3 years ago

How does an atom of one element differ from the atom of another element?

Chemistry

1 answer:

Temka [501]3 years ago

8 0

Explanation:

The atoms of one element differs from the atoms of other elements in terms of the number of protons they contain. This is often taken as the atomic number of such an atom.

The number of proton is the best indicator of the atom one is dealing with.
Based on this number, elements are categorized into distinct columns and rows on the periodic table.
The atomic number is the number of protons or positively charge particles in the atom.

II.

It is possible to change the identity of an atom. This is only possible by altering the atomic number of the atom.

Only nuclear reactions have this capability.

When an atom undergoes nuclear reaction that involves change in number of protons, transmutation occurs and a new atom forms.

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1: Write balanced complete ionic equation for

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Answer 1 : The balanced complete ionic equation will be,

$NaOH(aq)+HNO_3(aq)\rightarrow H_2O(l)+NaNO_3(aq)$

$Na^+(aq)+OH^-(aq)+H^+(aq)+NO_3^-(aq)\rightarrow H_2O(l)+Na^+(aq)+NO_3^-(aq)$

By removing the spectator ion in this equation, we get the balanced ionic equation.

$OH^-(aq)+H^+(aq)\rightarrow H_2O(l)$

Answer 2 : The balanced net ionic equation will be,

$2Na_3PO_4(aq)+3NiCl_2(aq)\rightarrow Ni_3(PO_4)_2(s)+6NaCl(aq)$

$6Na^+(aq)+2PO_4^{3-}(aq)+3Ni^+(aq)+6Cl^-(aq)\rightarrow Ni_3(PO_4)_2(s)+6Na^+(aq)+6Cl^-(aq)$

By removing the spectator ion in this equation, we get the balanced ionic equation.

$2PO_4^{3-}(aq)+3Ni^+(aq)\rightarrow Ni_3(PO_4)_2(s)$

Answer 3 : The balanced net ionic equation will be,

$2Na_3PO_4(aq)+3NiCl_2(aq)\rightarrow Ni_3(PO_4)_2(s)+6NaCl(aq)$

$6Na^+(aq)+2PO_4^{3-}(aq)+3Ni^+(aq)+6Cl^-(aq)\rightarrow Ni_3(PO_4)_2(s)+6Na^+(aq)+6Cl^-(aq)$

By removing the spectator ion in this equation, we get the balanced ionic equation.

$2PO_4^{3-}(aq)+3Ni^+(aq)\rightarrow Ni_3(PO_4)_2(s)$

Balanced equations : Balanced equations are the equations in which the number of individual elements present on the reactant side must be equal to the number of individual elements present on the product side.

Spectator ions : It is defined as the ions which do not participate in the chemical reaction. These ions exists in the same form on both the sides of the reaction.

7 0

3 years ago

Read 2 more answers

Help please have to turn this in tonight.

34kurt

False it is made up of protons and neutrons not electrons!!

6 0

3 years ago

Read 2 more answers