Periodic Trends and Element Properties

Periodic Trends and Element Properties

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial discusses periodic trends on the periodic table, focusing on columbic attraction, which is the force between protons in the nucleus and electrons. It explains how this attraction affects elements from lithium to fluorine, influencing their electronegativity and ionization energy. The tutorial highlights that fluorine is the most electronegative element, while lithium is the least. It also notes that noble gases are typically excluded from these discussions due to their full electron shells.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary cause of trends across a period in the periodic table?

Atomic mass

Columbic attraction

Electron affinity

Nuclear decay

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which elements are included in the second principal energy level?

Sodium to Argon

Potassium to Krypton

Lithium to Neon

Hydrogen to Helium

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many protons does lithium have in its nucleus?

4

3

2

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element has five protons and five electrons?

Carbon

Oxygen

Boron

Nitrogen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the force of attraction as you move from lithium to carbon?

It decreases

It remains the same

It increases

It fluctuates

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is the most electronegative in the second principal energy level?

Oxygen

Fluorine

Beryllium

Lithium

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between ionization energy and the ability to hold onto electrons?

Lower ionization energy means stronger hold

Higher ionization energy means stronger hold

Ionization energy does not affect electron hold

Higher ionization energy means weaker hold

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