Periodic Trends

Which of the following will have a larger radius than Zinc?

• Gallium
• Aluminum
• Magnesium
• Strontium

Which of the following will have a higher electronegativity than arsenic (As)?

• Carbon (C)
• Neon (Ne)
• Antimony (Sb)
• Germanium (Ge)

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

Ionization energy is...

• the energy required to add an electron to a specific atom
• how much energy it takes to remove an electron from an atom
• the energy required to shield the outer electrons from the nucleus
• a measure of the ability of an atom to attract electrons

Tags

NGSS.HS-PS1-2

The element with the lowest electronegativity in Period 3 is -

• Na

• Cl

• Ar

• Mg

Atomic radius generally increases as we move __________.  

• down a group and from right to left across a period 
• up a group and from left to right across a period 
• down a group and from left to right across a period 
• up a group and from right to left across a period 

What happens to atomic radius as you move from left to right?

• Increases

• Stays constant

• Decreases

What happens to electronegativity as you go down?

• Increases

• Stays constant

• Decreases

What happens to electronegativity as you go from left to right?

• Increases

• Stays constant

• Decreases