Isotopes and Atomic Structure Challenges

This video tutorial guides viewers through the process of determining atomic characteristics using a periodic table. It covers the analysis of isotopes for elements like sodium, ruthenium, iodine, and magnesium, explaining how to calculate atomic number, mass number, and net charge. The tutorial emphasizes a step-by-step approach, likening the process to solving a puzzle or Sudoku.

What tool is essential to follow along with the video tutorial?

• Notebook

• Chemistry Textbook

• Periodic Table

• Calculator

What is the chemical symbol for Sodium?

• Sd

• S

• Na

• So

How many protons does Sodium (Na) have?

• 12

• 10

• 13

• 11

What is the net charge of Sodium (Na) if it has 10 electrons?

• 2+

• 1+

• 1-

• 0

What is the atomic number of Ruthenium (Ru)?

• 45

• 44

• 43

• 42

What is the mass number of Ruthenium (Ru) with 56 neutrons?

• 103

• 102

• 101

• 100

What is the atomic number of Iodine (I)?

• 51

• 52

• 53

• 54

How many neutrons does Iodine-131 have?

• 79

• 78

• 77

• 76

What is the atomic number of Magnesium (Mg)?

• 10

• 11

• 12

• 13

How many electrons does Magnesium (Mg) have if it has a 2+ charge?

• 13

• 10

• 11

• 12

Tags

NGSS.MS-PS1-1