Drawing Bohr Models

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which Element is this?

• Carbon (C)

• Magnesium (Mg)

• Beryllium (Be)

• Sodium (Na)

Tags

NGSS.HS-PS1-1

What is the maximum number of electrons that can be accommodated in the first shell of a Bohr model?

• 2

• 8

• 18

• 32

In a Bohr model, which of the following elements has two electrons in its outermost shell?

• Helium

• Lithium

• Beryllium

• Neon

Tags

NGSS.HS-PS1-1

Which of the following is a correct representation of the Bohr model for a carbon atom?

• 2, 4

• 2, 8

• 2, 8, 4

• 2, 4, 8

Tags

NGSS.HS-PS1-1

What is the main limitation of the Bohr model?

• It cannot explain the spectra of atoms with more than one electron.

• It cannot explain the chemical properties of elements.

• It cannot explain the existence of isotopes.

• It cannot explain the concept of electron spin.

In the Bohr model, what is the shape of the electron orbit?

• Circular

• Elliptical

• Linear

• Random

Which of the following elements would have a Bohr model with three shells?

• Sodium

• Magnesium

• Aluminum

• Chlorine

How many electrons are present in the second shell of a Bohr model for an oxygen atom?

• 2

• 4

• 6

• 8

What is the significance of the quantum number 'n' in the Bohr model?

• It represents the energy level of the electron.

• It represents the spin of the electron.

• It represents the charge of the electron.

• It represents the mass of the electron.