use the periodic table to identify the element indicated by each electron configuration by typing in the chemical symbol for the element.

$1s^2 2s^2 2p^6$:

$1s^2 2s^2 2p^6 3s^2 3p^3$:

$1s^2 2s^2 2p^6 3s^2 3p^6 4s^1$:

$1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8$:

$1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10} 4p^6 5s^2 4d^3$:

Question

use the periodic table to identify the element indicated by each electron configuration by typing in the chemical symbol for the element.

$1s^2 2s^2 2p^6$:

$1s^2 2s^2 2p^6 3s^2 3p^3$:

$1s^2 2s^2 2p^6 3s^2 3p^6 4s^1$:

$1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8$:

$1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10} 4p^6 5s^2 4d^3$:

Accepted Answer

{ "quality": "clear", "question_count": 5, "skills_matched": [ "step_cot", "table_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Electron Configuration" ], "new_concepts": [], "current_concepts": [ "Electron Configuration" ] } ## Sum the electrons for each configuration $$ \begin{aligned} &\text{1. } 1s^2 2s^2 2p^6 \implies 2 + 2 + 6 = 10 \text{ electrons} \ &\text{2. } 1s^2 2s^2 2p^6 3s^2 3p^3 \implies 2 + 2 + 6 + 2 + 3 = 15 \text{ electrons} \ &\text{3. } 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 \implies 2 + 2 + 6 + 2 + 6 + 1 = 19 \text{ electrons} \ &\text{4. } 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8 \implies 2 + 2 + 6 + 2 + 6 + 2 + 8 = 28 \text{ electrons} \ &\text{5. } 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10} 4p^6 5s^2 4d^3 \implies 2 + 2 + 6 + 2 + 6 + 2 + 10 + 6 + 2 + 3 = 41 \text{ electrons} \end{aligned} $$ ## Identify elements by atomic number $$ \begin{aligned} &Z = 10 \implies \text{Neon (Ne)} \ &Z = 15 \implies \text{Phosphorus (P)} \ &Z = 19 \implies \text{Potassium (K)} \ &Z = 28 \implies \text{Nickel (Ni)} \ &Z = 41 \implies \text{Niobium (Nb)} \end{aligned} $$ | No. | Problem | Answer | |---|---|---| | 1 | $1s^2 2s^2 2p^6$ | Ne | | 2 | $1s^2 2s^2 2p^6 3s^2 3p^3$ | P | | 3 | $1s^2 2s^2 2p^6 3s^2 3p^6 4s^1$ | K | | 4 | $1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8$ | Ni | | 5 | $1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10} 4p^6 5s^2 4d^3$ | Nb | { "subject": "Natural Science", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Natural Science", "Chemistry", "Electron Configuration" ] }

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

Sum the electrons for each configuration

Identify elements by atomic number

Answer:

No.	Problem	Answer
2	\(1s^2 2s^2 2p^6 3s^2 3p^3\)	P
3	\(1s^2 2s^2 2p^6 3s^2 3p^6 4s^1\)	K
4	\(1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8\)	Ni
5	\(1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10} 4p^6 5s^2 4d^3\)	Nb