Periodicity

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

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

• decreases, increases 
• increases, increases
• increases, decreases 
• stays the same, increases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following elements has the smallest atomic radius?

• Sulfur

• Chlorine

• Aluminum

• Sodium

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

Periodic law states that repeating patterns of chemical properties form when you arrange elements by their:

• average atomic mass

• atomic number

• ion charge

• electron configuration

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A horizontal row in the periodic table is called a:

• group

• period

• family

• row

A vertical column in the periodic table is called a:

• group

• period

• family

• row

Which of these is the correct orbital diagram for oxygen?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

Which Block is letter C

• s - block

• p - block

• d - block

• f - block

Tags

NGSS.HS-PS1-1

What block is letter D?

• s - block

• p - block

• d - block

• f - block

Tags

NGSS.HS-PS1-1