1. Dissolve 1 teaspoon of Epsom salts in a half cup of water.
2 answers:
Answer:
1)
2) Double displacement reaction
Explanation:
1) Balancing the equation:
The reaction:
In a first look we see that the amonium cations are unbalanced so:
Checking element by element we can see that the equation is balanced
2) In this reaction, the amonium discplaces the Mg to form the amonium sulfate. This is a displacement reaction.
Given that it also forms another product () it's categorized as a double displacement reaction.
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Explanation:
Principle Quantum Numbers : It describes the size of the orbital and the energy level. It is represented by n. Where, n = 1,2,3,4....
Azimuthal Quantum Number : It describes the shape of the orbital. It is represented as 'l'. The value of l ranges from 0 to (n-1). For l = 0,1,2,3... the orbitals are s, p, d, f...
s = 1 orbital
p = 3 orbitals
d = 5 orbitals
f = 7 orbitals
For n = 4
l = 0 to (n-1) = 0 to 3 = (4s , 4p , 4d , 4f)
Number of subshells = 4
Number of orbitals = 1 + 3 + 5 + 7 = 16
The maximum number of electrons the n = 4 shell can contain:
Each orbital can holds upto two electrons, then 16 orbitals will have :
32 is the maximum number of electrons the n = 4 shell can contain