Final Practice Part 1: Radius, electronegativity, and More

Atomic Radius is...

• the relative size of the atom's nucleus
• the relative size of the atom's electron cloud
• the energy required to shield the outer electrons from the nucleus
• a measure of the ability of an atom to attract electrons

As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons

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.

Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

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

• Ar
• He
• Kr
• Rn

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. 

Atoms that have a high electronegativity, _______________.

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

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

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

As atoms of elements in group 16 are considered in order from top to bottom, the electronegativity of each successive element....

• decreases
• increases
• remains the same
• none of the above

The electronegativity of Cl is the highest in Period 2.  Why?

• Cl is the largest and has the greatest effective nuclear charge
• Cl is the smallest and has the lowest effective nuclear charge
• Cl is the largest and has the lowest effective nuclear charge
• Cl is the smallest and has the greatest effective nuclear charge