{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

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What are some key concepts/keywords that are important in this topic?

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Shielding effect is only exerted by inner shell electrons.

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1

Shielding effect is equivalent to repulsion between the electrons in the atom/ion.

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Interelectronic repulsion refers to the repulsion between electrons in the same orbital.

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O: 1s²2s²2p⁴
The first I.E. of oxygen is lower than the second I.E. of oxygen as the first electron removed is paired and experienced greater interelectronic repulsion, while the second electron is unpaired.

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Arrange the following ions/atom in increasing atomic radii (smallest on top, biggest at the bottom).

Al3+
Na⁺
N3-

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RI_02 Atomic Structure

RI_02 Atomic Structure

What are some key concepts/keywords that are important in this topic?

Shielding effect is only exerted by inner shell electrons.

Shielding effect is equivalent to repulsion between the electrons in the atom/ion.

Interelectronic repulsion refers to the repulsion between electrons in the same orbital.

O: 1s²2s²2p⁴
The first I.E. of oxygen is lower than the second I.E. of oxygen as the first electron removed is paired and experienced greater interelectronic repulsion, while the second electron is unpaired.

Arrange the following ions/atom in increasing atomic radii (smallest on top, biggest at the bottom).

Explain the reason for your answer in 6.

What are some key concepts/keywords that are important in this topic?

Shielding effect is only exerted by inner shell electrons.

Shielding effect is equivalent to repulsion between the electrons in the atom/ion.

Interelectronic repulsion refers to the repulsion between electrons in the same orbital.

O: 1s²2s²2p⁴
The first I.E. of oxygen is lower than the second I.E. of oxygen as the first electron removed is paired and experienced greater interelectronic repulsion, while the second electron is unpaired.

Arrange the following ions/atom in increasing atomic radii (smallest on top, biggest at the bottom).

Explain the reason for your answer in 6.

RI_02 Atomic Structure

RI_02 Atomic Structure

What are some key concepts/keywords that are important in this topic?

Shielding effect is only exerted by inner shell electrons.

Shielding effect is equivalent to repulsion between the electrons in the atom/ion.

Interelectronic repulsion refers to the repulsion between electrons in the same orbital.

O: 1s22s22p4The first I.E. of oxygen is lower than the second I.E. of oxygen as the first electron removed is paired and experienced greater interelectronic repulsion, while the second electron is unpaired.

Arrange the following ions/atom in increasing atomic radii (smallest on top, biggest at the bottom).

Explain the reason for your answer in 6.

What are some key concepts/keywords that are important in this topic?

Shielding effect is only exerted by inner shell electrons.

Shielding effect is equivalent to repulsion between the electrons in the atom/ion.

Interelectronic repulsion refers to the repulsion between electrons in the same orbital.

O: 1s22s22p4The first I.E. of oxygen is lower than the second I.E. of oxygen as the first electron removed is paired and experienced greater interelectronic repulsion, while the second electron is unpaired.

Arrange the following ions/atom in increasing atomic radii (smallest on top, biggest at the bottom).

Explain the reason for your answer in 6.

O: 1s²2s²2p⁴
The first I.E. of oxygen is lower than the second I.E. of oxygen as the first electron removed is paired and experienced greater interelectronic repulsion, while the second electron is unpaired.

O: 1s²2s²2p⁴
The first I.E. of oxygen is lower than the second I.E. of oxygen as the first electron removed is paired and experienced greater interelectronic repulsion, while the second electron is unpaired.