Periodic Trends

What is atomic radius?

• the number of protons in an atom

• the number of electrons in an atom

• the distance from the nucleus to the valence shell of an atom

• the strength of an atom

What is electronegativity?

• an atom's ability to attract electrons

• an atom's size

• an ion with a negative charge

• an ion with a positive charge

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Put the following elements in order of increasing size.

(Smallest to Largest)

• Sodium

• Potassium

• Lithium

• Neon

• Fluorine

Put the following elements in order of increasing size.

(Smallest to Largest)

• Aluminum

• Oxygen

• Phosphorus

• Calcium

• Barium

Put the following elements in order of increasing size.

(Smallest to Largest)

• Bromine

• Chlorine

• Argon

• Helium

• Selenium

Put the following elements in order of increasing electronegativity.

(Lowest to Highest)

• Sulfur

• Oxygen

• Rubidium

• Sodium

• Neon

Put the following elements in order of increasing electronegativity.

(Lowest to Highest)

• Gallium

• Silicon

• Nitrogen

• Krypton

• Germanium

Put the following elements in order of increasing electronegativity.

(Lowest to Highest)

• Calcium

• Cesium

• Potassium

• Krypton

• Chlorine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element has the highest electronegativity?

• Carbon

• Boron

• Magnesium

• Nitrogen

Which element has the smallest atomic radius?

• Germanium

• Carbon

• Lithium

• Oxygen