Periodic Trends

Atom Size

100

Which is bigger, an atom or its ion for metals?

atom

200

As atomic number increases, atoms generally get larger within the same what?

group

300

As atomic number increases, atoms generally get smaller within the same what?

period

400

Which of the following is bigger? Element in group 3 period 5 or element in period 3, group 5?

Element in group 3, period 5

500

Which of the following will have a larger radius than Zinc(Zn)? 

Gallium(Ga)

Aluminum(Al)

Magnesium(Mg)

Strontium(Sr)

Strontium(Sr)

Ion Size

100

These ions are smaller than their neutral element

cations

200

element atoms are smaller than their _________

anions

300

These ions get larger as charge increases

anions

400

What is the order of increasing the ionic radius from smallest to biggest for the below species?

Ca²⁺, Cl^-, S^2-,  Ar,  K⁺

Ca²⁺ , K⁺ , Ar , Cl^- , S^2-

500

Which periodic group has the smallest atomic radius?

Alkali metals

Halogens

Noble Gases

Transition metals

Noble Gases

Ionization Energy

100

Ionization energy is the energy required to remove these from an atom

electrons

200

In general ionization energy will be larger for the metals compared to nonmetals. true or false

False

300

Within a group, ionization energy _______ as atomic number increases

decreases

400

This group has largest ionization energy in the entire periodic table.

Noble gases

500

Which of the following will have a lower ionization energy than Scandium (Sc)? 

Helium (He)

Titanium (Ti)

Calcium (Ca)

Magnesium (Mg)

Calcium (Ca)

Electronegativity

100

Electronegativity is the relative ability of an atom to do what?

attract electrons from other atoms

200

Is electronegativity greater or less in boron compared to beryllium?

greater

300

Name three elements which have zero electronegativity

He, Ne, Ar

400

Within a period as atomic number increases toward the noble gases, how does electronegativity change?

increases

500

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

Carbon (C)

Neon (Ne)

Antimony (Sb)

Germanium (Ge)

Carbon (C)

Combined

100

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

increases, decreases

200

Which of the following elements have a highest ionization energy- Ca, Mg, Be?

Be

300

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

The atoms have more energy cells

400

which of the following will have the smallest size. Ne, Na+, F-

Na+

500

What are the three factors that affect the ionization energy of an element?

1) Distance from the nucleus

2) Nuclear charge (No. of protons)

3) Shielding effect