The video tutorial introduces the periodic table, starting with Mendeleev's historical version and transitioning to the modern table based on atomic numbers. It explains how to read the periodic table, focusing on atomic numbers, symbols, and atomic mass. The tutorial also covers creating Bohr models, illustrating the structure of atoms with protons, neutrons, and electrons. The video concludes with a quiz to reinforce learning and encourages viewers to subscribe for more content.

What is the main goal of today's video?

• To explore different types of bonds

• To create atomic level models using the periodic table

• To understand the history of chemistry

• To learn about chemical reactions

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Who created the first periodic table?

• Marie Curie

• Dimitri Mendeleev

• Isaac Newton

• Albert Einstein

How did Mendeleev arrange the elements in his periodic table?

• By increasing atomic number

• By increasing atomic mass

• Alphabetically

• By chemical reactivity

What is the modern periodic table based on?

• Chemical reactivity

• Alphabetical order

• Increasing atomic number

• Increasing atomic mass

What does the atomic number of an element represent?

• Number of neutrons

• Number of electrons

• Atomic mass

• Number of protons

What is the chemical symbol for copper?

• Cr

• Co

• Cu

• Cp

How do you calculate the number of neutrons in an element?

• Multiply the atomic number by the atomic mass

• Add the atomic number and atomic mass

• Subtract the atomic number from the atomic mass

• Divide the atomic mass by the atomic number

What is the atomic mass of hydrogen rounded to the nearest whole number?

• 3

• 1

• 2

• 0

How many electrons can fit on the first electron cloud ring?

• 1

• 2

• 4

• 8

What should you do if you don't pass the quiz on the first try?

• Skip the quiz

• Ask for help

• Give up

• Try again until you succeed