Bohr model and LDS

What are the two parts of a Bohr model?

• nucleus and electron cloud

• nucleus and energy levels

• energy levels and orbitals

• protons and electrons

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The second energy level has a maximum of how many electrons?

• 1

• 2

• 6

• 8

The innermost energy level has a maximum of how many electrons?

• 1

• 2

• 6

• 8

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.HS-PS1-1

What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.HS-PS1-1

How many valence electrons?

• 2
• 15

• 5
• 8

Tags

NGSS.HS-PS1-1

What is the goal of the Lewis Dot Structure?

• To determine the electron position.

• To show the element's valence electrons & bonding capabilities.

• To find the atomic mass of an element.

• To search for the number of electrons in an individual atom.

This could be the dot diagram of

• Mg

• Cl

• C

• O

Tags

NGSS.HS-PS1-1

How many valence electrons should Lithium have in its Lewis dot model?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1