chemistry pt.2

The element with an outer electron configuration of 1s²2s²2p¹ is in group

13 (3A)

Which electron configuration represents a violation of the Pauli exclusion principle?

1s2, 2s2

Which electron configuration represents a violation of Hund's rule for an atom in its ground state?

1s2, 2s2, 2p2

The electron configuration for the carbon atom is

1s²2s²2p²

Which of the following depicts an excited oxygen atom?

1s²2s²2p²3s²

The ground state electron configuration of Ga is

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p¹

The electron configuration of indium is

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p¹

If the outer electron configuration of an element is 2s¹, the element below it in the periodic table will have an outer electron configuration of

3s1

Phosphorus is in Group 15 and Period 3. What is the electron configuration of its outermost energy level?

3s²3p³

[Ar]4s²3d¹⁰4p³ is the electron configuration of a(n) ________atom.

As

Of the following elements, which has occupied d orbitals in its ground-state?

Ba

The electron configuration of a certain element ends with 3p⁵. Which of the following describes its position in the periodic table

Period 3, Group 17

Examine the following electron configuration and choose the correct location of the element it represents in the periodic table: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d⁷

Period 5, Group 9

The ground state electron configuration of the element _________ is [Kr]5s²4d¹⁰5p².

Sn

Which of the following is the correct noble-gas notation for krypton?

[Ar]4s²3d¹⁰4p⁶

The ground state configuration of tungsten (W) is

[Xe]6s²4f¹⁴5d⁴

Fe has ___________ that is (are) unpaired in its d orbitals.

four electrons.

An element has the electron configuration [Kr]5s²4d¹⁰. The element is a(n)

transition metal.