Atomic Structure and Electron Configuration

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What is the relationship between the number of protons in the nucleus and the number of electrons in the atom?

The number of protons varies based on the type of atom

The number of protons is less than the number of electrons

The number of protons is greater than the number of electrons

They are equal, making the atom neutral (correct)

What determines the orbits in which electrons occupy around the nucleus?

Quantum mechanics (correct)

Energy required to remove electrons

Electrostatic attraction

Coulomb's law

What force is responsible for the attraction or repulsion between electrons and protons?

Electromagnetic force

Quantum mechanics

Coulomb's law

Electrostatic interaction (correct)

Why do electrons like to occupy the orbitals closest to the nucleus?

The electrostatic interaction between electrons and protons is very strong Signup and view all the answers

What is the main factor that determines whether an electron is weakly attracted to the nucleus?

Distance from the nucleus Signup and view all the answers

What does Coulomb's law describe in terms of the force between charges?

Force attracting or repelling two charges separated by a distance in a vacuum Signup and view all the answers

How many electrons can the 3rd shell hold?

18 Signup and view all the answers

Which orbital can hold a maximum of 10 electrons?

3d Signup and view all the answers

How many electrons can the 2nd shell hold?

8 Signup and view all the answers

Which element has the shorthand notation 1s22s22p63s2?

Magnesium (Mg) Signup and view all the answers

According to the Periodic Table, which elements have similar outer electron orbital configuration?

Lithium and Neon Signup and view all the answers

How are the orbitals arranged in terms of energy levels?

Lower energy levels closer to the nucleus Signup and view all the answers

What is the principal quantum number for the 2p orbitals?

3 Signup and view all the answers

How does the electron-nucleus attraction and electron-electron repulsion affect the chemical nature of an element?

Greatly affects the chemical nature Signup and view all the answers

What does the atomic number represent in the Periodic Table?

Number of protons in the atom Signup and view all the answers

'Shorthand notation' for an element uses which of the following to indicate the orbital arrangement and number of electrons?

'Principal Quantum Number' and 'Superscript Number' Signup and view all the answers

Atomic Structure and Electron Configuration

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