Intro to the Periodic Table

Periodic Trends - Atomic Size and Ionization Energy

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Multiple Choice

The elements shaded in green are called

• metals

• nonmetals

• metalloids

• noble gases

Multiple Choice

The elements shaded in yellow are called

• metals

• nonmetals

• metalloids

• noble gases

Multiple Choice

What are the horizontal rows on the periodic table called?

• periods

• groups

• metals

• nonmetals

• metalloids

Multiple Choice

What do the horizontal rows on the periodic table tell us?

• The number of energy levels

• The number of valence electrons (the electrons on the outer most shell)

Multiple Choice

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids

Multiple Choice

What do the vertical columns on the periodic table tell us?

• The number of energy levels

• The number of valence electrons (electrons on the outer most shell)

Labelling

Label the groups of the periodic table

Drag labels to their correct position on the image

Alkali metals

Halogens

Lanthanide Series

Alkaline Earth metals

Transition metals

Actinide Series

Nobel Gases

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

Look at Period 4, Which of the following atoms is the SMALLEST following the predicted atomic radius trend??

Multiple Choice

Which atom out of Period 2 has the largest radius?

Multiple Choice

Which periodic group has the smallest atomic radius?

• Alkali metals

• Halogens

• Noble Gases

• Transition metals

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 neutrons

Multiple Choice

Which of the following elements would be larger: potassium or cesium?

Multiple Choice

Which of the following elements would be smaller: indium or gallium?

Multiple Choice

Which two particles are attracted to each other?

• Two neutrons

• A proton and an electron

• Two protons

• An electron and a neutron

Multiple Choice

Recap:

Coulomb’s law states that the force between two charged objects will __________ when the distance between objects increases.

• decrease

• increase

Multiple Choice

Recap:

Coulomb’s law states that the force between two charged objects will __________ when the magnitude of the object’s charge increases.

• decrease

• increase

Multiple Choice

What is ionization energy?

• Energy needed to destroy an atom

• Energy required to remove an electron

• Energy needed to split an electron

• Energy required to add an electron

Multiple Choice

Which element has the greater ionization energy?

Multiple Choice

Which of these elements out of Period 2 has the lowest ionization energy?

Multiple Choice

Which element has the greater ionization energy?

Multiple Choice

Which element has the greater ionization energy?

Multiple Choice

Which element has the lower ionization energy?

Multiple Choice

Which of these alkali metals has the highest ionization energy?