Electron Configuration

What does the electron configuration of any element start with?

• 1p

• 1s

• 1d

• 1f

What element has the electron configuration:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹

• gallium

• copper

• nickel

• zinc

What element has the electron configuration:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

• gallium

• copper

• nickel

• zinc

What element has the electron configuration:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵

• iodine

• tellurium

• xenon

• tin

What element has the electron configuration:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶

• iodine

• tellurium

• xenon

• tin

What element has the electron configuration:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d²

• lead

• strontium

• niobium

• zirconium

What element has the electron configuration:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹

• yttrium

• strontium

• niobium

• zirconium

What element has the electron configuration:

1s² 2s² 2p⁵

• nitrogen

• oxygen

• fluorine

• neon

What element has the electron configuration:

1s² 2s² 2p¹

• beryllium

• boron

• carbon

• nitrogen

What element has the electron configuration:

1s² 2s¹

• hydrogen

• helium

• lithium

• beryllium