Chemistry NCFE Review #1

The arrangement of electrons in an atom.

• period
• electron configuration 
• group
• atomic radius

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A horizontal row of elements in the periodic table.

• atomic radius
• group
• period
• electron configuration

A column on the periodic table.

• electron configuration
• group
• period
• atomic radius

Tags

NGSS.HS-PS1-1

Size of the atom; increases as an atom gains electrons to energy levels

• electron configuration
• period
• group
• atomic radius

The amount of energy required to remove an electron from an atom.

• electron affinity
• electronegativity
• ionization energy
• ion size

Tendency of atoms to attract electrons to themselves when they bond; increases across a period and down a group

• ion size
• electronegativity
• electron affinity
• ion size

Energy released when an atom or ion in the gaseous state gains an electron.

• electronegativity
• ion size
• electron affinity
• ionization energy

Tags

NGSS.HS-PS1-4

Changes as electrons are added or lost; positive is smallest and negative is biggest 

• electron affinity
• electronegativity
• ion size
• ionization energy

a positively charged ion

• cation
• anion
• catalyst
• chemical bond

A negatively charged ion

• Cation
• anion
• catalyst
• chemical bond