Wk 15 Async: Periodic Table Trends Practice

Wk 15 Async: Periodic Table Trends Practice

Note: It's best to complete this assignment after you have the atomic radius lesson (Tuesday)

Multiple Choice

Which element is located in Period 3 of the Periodic Table?

• Scandium (Sc)

• Lithium (Li)

• Sodium (Na)

• Boron (B)

Atomic structure on the Periodic Table.

Review from class: Think about what you observe with atomic structures as you go down a group.

Multiple Select

Which of the following have 3 electron shells? Select all that apply.

• Silicon (Si)

• Boron (B)

• Any element in Group 3A

• Any element in Period 3

Multiple Choice

What happens to the number of valence electrons as you go across a period?

• Less valence electrons

• More valence electrons

• Same number of valence electrons

Multiple Select

Which elements have 4 valence electrons? Select all that apply.

• Carbon (C)

• Beryllium (Be)

• Calcium (Ca)

• Any Group 4A Element

• Any Period 4 Element

Reminder of atomic radius trend- Think about what trends you observed in class.

FYI- This is from Tuesday/Wednesday Lesson

Multiple Choice

As you go down a group on the Periodic Table, what happens to the atomic radius size?

• It increases

• It increases

• It stays the same

Multiple Choice

Which element (all located in Group 8A) has the largest atomic radius?

• Argon (Ar)

• Helium (He)

• Neon (Ne)

• Krypton (Kr)

Poll

How confident are you feeling about Unit 3: Reactivity and Trends of the Periodic Table?

• Very confident- I can do this in my sleep

• Somewhat confident- but still need to study

• Not at all confident- So lost!