Periodic Table and Electron Shells Quiz

What does the symbol "Fr" represent in the periodic table?

• Francium

• Fluorine

• Iron

• Fermium

What is the term used for the levels where electrons "fall" into around the nucleus?

• Electron shells

• Proton paths

• Neutron zones

• Atomic layers

Tags

NGSS.HS-PS1-2

• 2 electrons

• 8 electrons

• 18 electrons

• 32 electrons

In what order do electrons fill the shells?

• Outermost to innermost

• Randomly

• Nearest to the nucleus first

• Based on atomic number

Tags

NGSS.MS-PS1-1

What are the electrons in the outermost electron shell called?

• Core electrons

• Valence electrons

• Inner electrons

• Free electrons

How many electrons do Group 1 elements have in their outermost shell?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is a characteristic property of alkali metals?

• Hard and brittle

• Soft and silvery

• Non-reactive

• Poor conductors of electricity

Which of the following is an alkali metal?

• Helium

• Neon

• Sodium

• Argon

What is the position of alkali metals on the periodic table?

• Group 1

• Group 2

• Group 17

• Group 18

Describe the difference between an atom and an ion