Exploring Periodicity in Elements

What is the general trend of atomic size across a period from left to right?

• Atomic size fluctuates randomly across a period from left to right.

• Atomic size decreases across a period from left to right.

• Atomic size remains constant across a period from left to right.

• Atomic size increases across a period from left to right.

How does atomic size change as you move down a group in the periodic table?

• Atomic size increases as you move down a group in the periodic table.

• Atomic size remains constant as you move down a group in the periodic table.

• Atomic size decreases as you move down a group in the periodic table.

• Atomic size fluctuates randomly as you move down a group in the periodic table.

Which element has the largest atomic size in the second period?

• Lithium (Li)

• Neon (Ne)

• Beryllium (Be)

• Oxygen (O)

What is the trend in ionic size for cations compared to their parent atoms?

• Cations are twice the size of their parent atoms.

• Cations have the same size as their parent atoms.

• Cations are smaller than their parent atoms.

• Cations are larger than their parent atoms.

How does the ionic size of anions compare to their parent atoms?

• Anions are smaller than their parent atoms.

• Anions are only slightly larger than their parent atoms.

• Anions are larger than their parent atoms.

• Anions have the same size as their parent atoms.

Which ion has a larger size: Na+ or Mg2+?

• Na+

• Mg2+

• K+

• Ca2+

What is the trend in electronegativity as you move across a period?

• Electronegativity increases across a period.

• Electronegativity fluctuates randomly across a period.

• Electronegativity remains constant across a period.

• Electronegativity decreases across a period.

Which element is the most electronegative in the periodic table?

• Nitrogen

• Carbon

• Oxygen

• Fluorine

How does electronegativity change as you move down a group?

• Electronegativity remains constant as you move down a group.

• Electronegativity fluctuates randomly as you move down a group.

• Electronegativity decreases as you move down a group.

• Electronegativity increases as you move down a group.

What is the relationship between atomic size and electronegativity?

• As atomic size decreases, electronegativity generally increases.

• As atomic size increases, electronegativity generally decreases.

• Atomic size has no effect on electronegativity.

• Larger atoms have higher electronegativity.