How to Memorize The Polyatomic Ions - Formulas, Charges, Naming - Chemistry

Created from Youtube video: https://www.youtube.com/watch?v=FXBEh7nd9KQvideo

Concepts covered:polyatomic ions, naming conventions, formulas and charges, chemistry patterns, exceptions like hydroxide

The video provides a comprehensive guide on memorizing polyatomic ions, emphasizing the importance of understanding their formulas, charges, and naming conventions for success in chemistry. It explains the patterns in naming ions, such as the difference between 'ate' and 'ite' suffixes, and covers various examples including nitrate, sulfate, and phosphate, as well as exceptions like hydroxide and ammonium.

Table of Contents1.Understanding and Memorizing Polyatomic Ions 2.Reviewing and Memorizing Polyatomic Ions 3.Understanding Polyatomic Ions: Formulas and Charges

chapter

Understanding and Memorizing Polyatomic Ions

Concepts covered:polyatomic ions, nitrate, nitrite, phosphate, sulfate

This chapter emphasizes the importance of memorizing polyatomic ions for chemistry courses, highlighting their role in writing chemical formulas and balancing equations. It explains the naming conventions for ions, such as nitrate and nitrite, and the pattern of oxygen content in polyatomic ions compared to monoatomic ions like nitride, phosphide, and sulfide.

Question 1

Nitrate has one more oxygen than nitrite.

Question 2

What suffix indicates a monoatomic ion?

Question 3

SO3 2- is called _____ because it has one less oxygen.

Question 4

CASE STUDY: A chemistry teacher is creating a quiz on polyatomic ions and wants to include a question about phosphate, phosphite, and phosphide.

Identify the incorrect ion name.

Question 5

Monoatomic ions typically end with 'ide'.

Question 6

How does sulfite differ from sulfate?

Question 7

PO4 3- is a polyatomic ion called _____.

Question 8

CASE STUDY: A student is preparing for a chemistry exam and needs to memorize polyatomic ions. They are struggling to differentiate between nitrate, nitrite, and nitride.

Identify the incorrect ion name.

Question 9

Phosphate has more oxygen than phosphite.

Question 10

What is the charge of nitrate ion?

Question 11

A monoatomic ion without oxygen ends with _____.

Question 12

Sulfide is a polyatomic ion with oxygen.

Question 13

Identify the pattern in naming polyatomic ions.

Question 14

The ion NO3- is known as _____.

chapter

Reviewing and Memorizing Polyatomic Ions

Concepts covered:polyatomic ions, chemical formulas, sulfate, chlorite, phosphite

The chapter provides a comprehensive review of various polyatomic ions, challenging readers to recall and write their chemical formulas. It covers ions such as sulfate, chlorite, phosphite, and more, emphasizing the importance of memorizing their structures and charges for academic purposes.

Question 15

Is sulfate's formula SO4 with a 2- charge?

Question 16

Identify the formula for nitrate ion.

Question 17

Chloride ion is represented by the formula _____ with a -1 charge.

Question 18

CASE STUDY: A student is tasked with writing the formula for a polyatomic ion containing nitrogen and oxygen. They write NO3- but are unsure if it's correct.

What is the correct formula for nitrate?

Question 19

Does peroxide have a 2- charge with two oxygens?

Question 20

Determine the formula for ammonium ion.

Question 21

The formula for dichromate is _____ with a -2 charge.

Question 22

CASE STUDY: A chemical lab is preparing a solution and needs to use sulfate ions. The lab technician accidentally uses sulfite ions instead.

Identify the incorrect ion used in the solution.

Question 23

Is ammonium's formula NH4+?

Question 24

What is the charge of chromate ion?

Question 25

The formula for sulfate is _____ with a -2 charge.

Question 26

Does nitrate have the formula NO3-?

Question 27

What is the charge of sulfate ion?

Question 28

The ion with the formula NH4+ is known as _____ .

Question 29

Is chromate's formula CrO4 2-?

Question 30

Which ion has a single oxygen atom?

Question 31

The ion with the formula CN- is called _____ .

chapter

Understanding Polyatomic Ions: Formulas and Charges

Concepts covered:polyatomic ions, formulas, charges, oxygen atoms, halogens

This chapter provides a detailed explanation of various polyatomic ions, focusing on their formulas and charges. It covers ions like periodate, chlorate, bromide, and others, explaining the significance of prefixes and suffixes in determining the number of oxygen atoms and overall charge.

Question 32

Perchlorate ion contains four oxygen atoms.

Question 33

Identify the charge of disulfide ion.

Question 34

Dihydrogen phosphate has a net charge of _____ minus one.

Question 35

CASE STUDY: A chemical company is developing a new cleaning product. They need to ensure the product is safe and effective. The product contains a polyatomic ion that ends with 'ate'.

Identify the incorrect ion formula.

Question 36

Bromide ion contains oxygen atoms.

Question 37

What is the formula for dihydrogen phosphate?

Question 38

The formula for super oxide is two oxygens with _____ charge.

Question 39

CASE STUDY: A student is preparing for a chemistry exam. They need to memorize the charges of common polyatomic ions. The student is confused about the charge of iodate.

What is the charge of iodate?

Question 40

Disulfide ion contains two sulfur atoms.

Question 41

What is the charge of perbromate ion?

Question 42

The formula for per iodate is _____ with a minus charge.

Question 43

Dihydrogen phosphate has a net charge of -3.

Question 44

How many oxygens in iodate ion?

Question 45

Bromide, ending in IDE, is represented as _____ minus one.

Question 46

Hydronium ion has a positive charge.

Question 47

How many oxygens in per iodate ion?

Question 48

Per chlorate contains _____ oxygens and a negative one charge.

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