(a)
Interpretation:
The ground state configuration of titanium atom has to be predicted.
Concept introduction:
Electronic configuration: The electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals.
Electrons occupy the lowest energy orbitals. The increasing order of orbital energy is
The energy order of the orbital for the first three periods is as follows,
The orbital which is closer to the nucleus has lower energy; therefore the
In general, the orbitals can hold maximum of two electrons, the two electrons must have opposite spin.
The subshell ordering by Aufbau principle is given below,
(a)

Explanation of Solution
The electronic configuration is depends on the electrons in the atom. The titanium atom has
The subshell ordering by Aufbau principle is given below;
Therefore ground state electronic configuration of titanium atom is
Titanium belongs to Period
The electronic configuration also can be written as follows,
(b)
Interpretation:
The ground state configuration of chromium atom has to be predicted.
Concept introduction:
Refer to part (a).
(b)

Explanation of Solution
The electronic configuration is depends on the electrons in the atom. The chromium atom has
The subshell ordering by Aufbau principle is given below;
Therefore ground state electronic configuration of chromium atom is
Chromium belongs to Period
The electronic configuration also can be written as follows,
(c)
Interpretation:
The ground state configuration of europium atom has to be predicted.
Concept introduction:
Refer to part (a).
(c)

Explanation of Solution
The electronic configuration is depends on the electrons in the atom. The europium atom has
The subshell ordering by Aufbau principle is given below;
Therefore ground state electronic configuration of europium atom is
The electronic configuration also can be written as follows,
(d)
Interpretation:
The ground state configuration of krypton atom has to be predicted.
Concept introduction:
Refer to part (a).
(d)

Explanation of Solution
The electronic configuration is depends on the electrons in the atom. The krypton atom has
The subshell ordering by Aufbau principle is given below;
Therefore ground state electronic configuration of rubidium atom is
Rubidium belongs to Period
The electronic configuration also can be written as follows,
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Chapter 1 Solutions
ACHIEVE/CHEMICAL PRINCIPLES ACCESS 1TERM
- Indicate the products obtained by mixing 2,2-dimethylpropanal with acetaldehyde and sodium ethoxide in ethanol.arrow_forwardSynthesize 2-Ethyl-3-methyloxirane from dimethyl(propyl)sulfonium iodide using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forwardSynthesize 2-Hydroxy-2-phenylacetonitrile from phenylmethanol using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forward
- Synthesize N-Methylcyclohexylamine from cyclohexanol using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forwardSynthesize N-Methylcyclohexylamine from cyclohexanol using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forwardIf possible, please provide the formula of the compound 3,3-dimethylbut-2-enal.arrow_forward
- Synthesize 1,4-dibromobenzene from acetanilide (N-phenylacetamide) using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forwardIndicate the products obtained by mixing (3-oxo-3-phenylpropyl)triphenylphosphonium bromide with sodium hydride.arrow_forwardWe mix N-ethyl-2-hexanamine with excess methyl iodide and followed by heating with aqueous Ag2O. Indicate the major products obtained.arrow_forward
- Indicate the products obtained by mixing acetophenone with iodine and NaOH.arrow_forwardIndicate the products obtained by mixing 2-Propanone and ethyllithium and performing a subsequent acid hydrolysis.arrow_forwardIndicate the products obtained if (E)-2-butenal and 3-oxo-butanenitrile are mixed with sodium ethoxide in ethanol.arrow_forward
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