Atomic Trends

When two protons are close together they ...

• attract
• repel

When two electrons are close together they ...

• attract
• repel

When a proton and a electron are close together they ...

• attract
• repel

Which element has the smallest atomic radius?

• Caesium
• Calcium
• Sulfur
• Fluorine

Which element has the largest atomic radius?

• Potassium
• Calcium
• Nitrogen
• Oxygen

Which atomic trend does the periodic table above show?
The arrow points to increasing.

• Atomic Radius
• Ionization
• Electronegativity
• Ionization and Electronegativity

Which atomic trend does the periodic table above show?
The arrow points to increasing.

• Atomic Radius
• Ionization
• Electronegativity
• Ionization and Electronegativity

Which element is the most electronegative?

• Silicon
• Oxygen
• Francium
• Rubidium

Which element is the least electronegative?

• Francium
• Barium
• Fluorine
• Phosphorus

Which element has the lowest ionization energy?

• Neon
• Argon
• Kyrpton
• Xenon