Periodic Trends

As you move left to right across the periodic table, the atomic radius

• decreases
• increases
• stays the same

As you move from the top of a group to the bottom of a group, the atomic radius

• decreases
• increases
• stays the same

From Li to Ne, the ionization energy

• decreases
• increases
• stays the same

From Be to Sr, the ionization energy 

• increases
• decreases
• stays the same

Cl has a _______________ electronegativity than Mg

• higher
• lower
• the same

Cs has a __________________ electronegativity than H

• lower
• higher
• the same

Ionization energy is

• the ability to lose an electron
• the ability to gain an electron
• the size of the atom

Choose the set that goes from lowest to highest electronegativity?

• Cu, Mg, Sr, Ca
• F, Cl, Br, Si
• Cs, Rb, Ca, Mg
• Zn, Cd, Ag, Cu

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

Tags

NGSS.HS-PS1-1

Electronegativity is...

• how good an atom is at attracting electrons
• the ability of an atom to lose electrons
• the energy required to remove an electron from a specific atom
• how easy it is to make friends. 

Tags

NGSS.HS-PS1-1