Lewis Dot Symbol

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.MS-PS1-1

What is a Lewis Dot Structure?

• It shows all of the particles in the atom.

• Contains protons and neutrons

• Only shows the element symbol and it's outer most electron shell

• Contains protons and electrons

Tags

NGSS.MS-PS1-1

Is this a correct dot diagram for magnesium (Mg)

• Yes

• No

Tags

NGSS.MS-PS1-1

___________ simplify the Bohr Model by showing only the outer valence electrons used for bonding.

• Lewis Dot Diagrams

• Bohr Models

• Electron Clouds

• Periodic Tables

What does a Lewis Dot Symbol represent?

• The atomic number of an element

• The valence electrons of an atom

• The total number of electrons in an atom

• The neutrons in the nucleus

Which element's Lewis Dot Symbol is represented by a single dot?

• Helium

• Hydrogen

• Oxygen

• Carbon

How many dots are in the Lewis Dot Symbol for Carbon?

• 2

• 4

• 6

• 8

What is the primary purpose of a Lewis Dot Symbol?

• To show the atomic mass

• To represent valence electrons

• To indicate the number of protons

• To display the electron configuration

Tags

NGSS.HS-PS1-1

Which of the following elements has a Lewis Dot Symbol with six dots?

• Nitrogen

• Oxygen

• Fluorine

• Neon

In a Lewis Dot Symbol, what do the dots around the element symbol represent?

• Protons

• Neutrons

• Valence electrons

• Atomic mass