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fenix001 [56]
3 years ago
10

Neon is a completely stable gas and will not react with other elements. Which of the following elements will react similarly to

Neon?
A. Xenon because it has the same number of valence electrons as Neon.
B. Xenon because it has the same number of neutrons as Neon
C. Xenon because it has the same number of electrons as Neon
D. Xenon because it has the same number of protons as Neon
Please help
Chemistry
1 answer:
Serggg [28]3 years ago
7 0
The answer would be B
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KATRIN_1 [288]

Answer: i) Mg+2HCl\rightarrow MgCl_2+H_2

ii) Mg(OH)_2+2HCl\rightarrow MgCl_2+2H_2O

iii)  3AgNO_3+K_3PO_4\rightarrow Ag_3PO_4+3KNO_3

iv)  2H_2SO_4+Pb(OH)_4\rightarrow Pb(SO_4)_2+4H_2O

v) 3Ca(OH)_2+2H_3PO_4\rightarrow Ca_3(PO_4)_2+6H_2O

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical reactions will be:

i) Mg+2HCl\rightarrow MgCl_2+H_2

ii) Mg(OH)_2+2HCl\rightarrow MgCl_2+2H_2O

iii)  3AgNO_3+K_3PO_4\rightarrow Ag_3PO_4+3KNO_3

iv)  2H_2SO_4+Pb(OH)_4\rightarrow Pb(SO_4)_2+4H_2O

v) 3Ca(OH)_2+2H_3PO_4\rightarrow Ca_3(PO_4)_2+6H_2O

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3 years ago
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