Electrons and the Periodic Table Review

What are the vertical columns on the periodic table called?

• groups

• periods

• protons

• valence electrons

Elements in the same family have similar _______________.

• Protons
• Physical and Chemical Properties
• Shape
• Size

Tags

NGSS.HS-PS1-2

Most elements on the periodic table are classified as __________.

• Metals
• Non-Metals
• Metaloids
• Gases

How are elements in the periodic table organized?

• Alphabetically
• Based on physical and chemical properties
• Increasing number of electrons
• Most reactive to least reactive

Which accurately describes nonmetals?

• Both malleable and ductile
• Often used in computer parts
• Poor conductors of electricity
• Always solid at room temperature

Which group on the periodic table is the most reactive Metals?

• Alkaline-earth metals - Group 2

• Alkali metals - Group 1

• Transition metals - Group 3-7

• Halogens - Group 17

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How Many Valence Electrons are in the element above?

• 1
• 3
• 5
• 7

Tags

NGSS.HS-PS1-1

Ionization energy is the...

• energy needed to remove the outermost electron.
• ability of an atom to attract electrons from another atom.

Electronegativity is the...

• energy needed to remove the outermost electron.
• ability of an atom to attract electrons from another atom.

Tags

NGSS.HS-PS1-2

As the Coulombic attraction btwn. the + nucleus & - valence electron increases the atomic radius: increases or decreases?

• increases
• decreases

Tags

NGSS.HS-PS2-4