Which is the electronic configuration for oxygen?
1s2 2s2 2p1
1s2 2s2 2p3
1s2 2s2 2p4
1s2 2s2 2p6
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Ответ:
1s², 2s², 2p⁴
Explanation:Electronic configuration is the distribution of electrons of an atom in atomic orbitals. As we know Oxygen is a non metal and is present in group 6 and period 2 with atomic number 8. The atomic number in fact specifies the number of protons. Hence, for a neutral oxygen atom there must be 8 electrons to balance the charges of protons.
These 8 electrons are distributed in two main energy levels i.e. n = 1 and 2 and sub energy levels i.e. s and p. According to certain rules like Aufbau Principle, Pauli's Exclusion Principle and Hund's Rule the electronic configuration for eight electrons is as,
1s², 2s², 2px², 2p¹, 2p¹
Ответ:
3
option B
Step-by-step explanation:
Parallel lines have same slope
Since , green and red lines are parallel , they will have same slope.
And ,as green has slope of 3 , therefore, red line too would have slope of 3