AP Chemistry Review

Which element has the smaller atomic radius: potassium (K) or bromine (Br)?

• potassium (K)

• bromine (Br)

Tags

NGSS.HS-PS1-1

As the Coulombic attraction in an atom increases, the energy needed to remove an electron: increases or decreases?

• increases

• decreases

Tags

NGSS.HS-PS2-4

Which element has the greatest ionization energy: Aluminum (Al)    or    Chlorine (Cl)?

• Aluminum (Al)

• Chlorine (Cl)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element has the greatest electronegativity: Nitrogen (N) or Arsenic (As)?

• Nitrogen (N)

• Arsenic (As)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The atom with the largest atomic radius in Group 18 is - 

• Ar

• He

• Kr

• Rn

The atom with the largest atomic radius in Period 4 (row 4) is - 

• K

• Kr

• Fe

• Fe

Tags

NGSS.HS-PS1-1

As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.

• the atoms have less mass

• the atoms have more protons.

• the atoms have less electrons.

Tags

NGSS.HS-PS1-1

Families all have similar 

• Names

• atomic numbers

• atomic masses

• properties

Tags

NGSS.HS-PS1-1

Put these elements in order of DECREASING atomic radius.

• Sr, Ba, Be, Ca

• Be, Ca, Sr, Ba

• Ba, Sr, Ca, Be

• Ca, Be, Ba, Sr

Tags

NGSS.HS-PS1-1

Which elements do you think will have a low ionization energy and lose electrons more readily?

• elements that form anions (negative charge)

• Elements that form cations (positive charge)

• Transition metals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2