Periodic Trends

Atomic Radius is...

• the relative size of the atom's nucleus

• the relative size from the atom's nucleus to electron cloud

• the energy required to shield the outer electrons from the nucleus

• a measure of the ability of an atom to attract electrons

Which element in Period 2 has the greatest atomic radius?

• Beryllium (Be)

• Carbon (C)

• Nitrogen (N)

• Lithium (Li)

Which of the group 13 (3A) elements is the largest?

• Boron (B)

• Indium (In)

• Aluminum (Al)

• Gallium (Ga)

The atom with the largest atomic radius in Group 18 (8A) is -

• Argon (Ar)

• Helium (He)

• Krypton (Kr)

• Radon (Rn)

Which atom has the largest atomic radius?

• potassium (K)

• rubidium (Rb)

• francium (Fr)

• cesium (Cs)

Atoms that have a high electronegativity, _______________.

• give up their electrons more easily.
• hold on to their electrons more tightly.
• have more electron shells.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Which of the period 3 elements has the highest electronegativity?

• Sulfur (S)

• Chlorine (Cl)

• Sodium (Na)

• Phosphorus (P)

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

• Nitrogen (N)

• Neon (Ne)

• Antimony (Sb)

• Germanium (Ge)

The element with the highest electronegativity in the halogens (Group 17/7A) is -

• Iodine (I)

• Fluorine (F)

• Chlorine (Cl)

• Bromine (Br)

What don't Nobel gases (Group 18/8A) have electronegativity?

• Nobel gases don't want to attract electrons to bond.

• Nobel gases have low electronegativity.

• Nobel gases have high electronegativity.

• Nobel gases tend to lose electrons.