2.4b: Periodic Trends

2.4b: Periodic Trends

​You will need a blank copy of a periodic table for this lesson

Multiple Choice

Which element is most likely to have three electron energy levels?

• Argon (Ar)

• Lithium (Li)

• Boron (B)

• Europium (Eu)

Multiple Choice

Which element is most likely to have six valence electrons?

• Barium (Ba)

• Carbon (C)

• Oxygen (O)

• Americium (Am)

Multiple Choice

Which two elements would have the same number of energy levels (shells)?

• Nickel and Palladium

• Magnesium and Lithium

• None of these elements

• Copper and Zinc

Multiple Choice

Using the periodic table, determine the name of the element that has 2 valence electrons and 6 energy levels.

• Francium

• Barium

• Molybdenum

• hydrogen

Multiple Choice

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

• Ar
• He
• Kr
• Rn

Multiple Choice

Which periodic group has the smallest atomic radius?

• Alkali metals
• Halogens
• Noble Gases
• Transition metals

Multiple Choice

Which atom has the largest atomic radius?

• potassium

• rubidium

• francium

• cesium

Multiple Choice

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.

Multiple Choice

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

Multiple Choice

Which element's atom is the smallest?

• Rhodium

• Silver

• Cadmium

• Tin

Multiple Choice

What is the most reactive element on the periodic table?

• Francium

• Helium

• Arsenic

• Radon

Multiple Choice

Across a period, Ionization energy ____a____

Down a group, ionization energy ____b_____

• a : increase

  b: decrease

• a : increase

  b: increase

• a : decrease

  b: decrease

Multiple Choice

Electronegativity trends is . . . .

• increases on passing from left to right along a period, and decreases on descending a group.

• increases on passing from left to right along a period, and increases on descending a group.

• decreases on passing from left to right along a period, and decreases on descending a group.

• decreases on passing from left to right along a period, and increases on descending a group.

Multiple Choice

Atoms that have a high electronegativity, _______________.

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

Multiple Choice

Which category of the periodic table contains the most elements?

• metalloids

• nonmetals

• metals

• transition metals

Multiple Choice

What is the charge of an atom that has lost one electron?

• -1
• -2
• +1
• +2

Multiple Choice

What is the charge of an atom that has gained two electrons?

• -1

• -2

• +1

• +2