Electronic Configuration and Atomic Models

Elements in the same group all have the same number of:

• Electrons

• Protons

• Valence Electrons

• Neutrons

What is the electronic configuration for Phosphorus atom?

• 1s²2s²2p⁶3s²3p³

• 1s²2s²2p⁶3s²3p⁵

• 1s²2s²2p³

• 1s²2s²2p⁶3s²

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

The first orbital can at most hold how many electrons?

• 1 electron
• 2 electrons
• 3 electrons
• 4 electrons

What is electron configuration?

• Electron configuration is the configuration of electrons in an atom.

• Electron configuration is the process of converting electrons into protons.

• Electron configuration is the process of removing electrons from an atom.

• Electron configuration is the study of electron behavior in a magnetic field.

The electron configuration of an atom is 1s²2s²2p⁶

The number of electrons in the atom is:

• 3

• 5

• 6

• 10

The number of electrons in the 3d orbital of the atom of atomic number 27 is:

• 18

• 12

• 17

• 10

Which drawing represents the electronic structure of Neon?

• A

• B

• C

• D

Which diagram represents the electronic structure for Aluminium (Z=13)?

• A

• B

• C

• D

Subatomic particle that determines the name of an atom. It has a positive charge and is located in the nucleus of an atom.

• Electron
• Neutron
• Proton
• Voltron