This website needs JavaScript for games, quizzes and sign-up.

d- (a f-) prvky

Přehled vlastností a využití d-prvků v periodické tabulce.

Chemistry 27 slides

You need an account to invite friends. Without a plan, at most 2 friends can join. With Standard up to 15, with Premium up to 50.

Browse solo

26 more slides in the presentation

1 / 27

Proč tolik skupin najednou?

27 slides · 27 text pages · 0 questions
1Proč tolik skupin najednou?
2Prvky 3. skupiny
3Uran
4Prvky 4. skupiny
5Titan

Presentation contents

27 text pages
You'll see the other slides in the presentation. Browse solo
  1. 1Proč tolik skupin najednou?
  2. 2Prvky 3. skupiny
  3. 3Uran
  4. 4Prvky 4. skupiny
  5. 5Titan
  6. 6Prvky 5. skupiny
  7. 7Vanad
  8. 8Prvky 6. skupiny
  9. 9Chrom
  10. 10Wolfram
  11. 11Prvky 7. skupiny
  12. 12Mangan
  13. 13Osmá až desátá skupina
  14. 14Triáda železa
  1. 15Železo
  2. 16Kobalt
  3. 17Nikl
  4. 18Platinové kovy
  5. 19Platina
  6. 20Prvky 11. skupiny
  7. 21Měď
  8. 22Stříbro
  9. 23Zlato
  10. 24Prvky 12. skupiny
  11. 25Zinek
  12. 26Kadmium
  13. 27Rtuť

One Platform for Everyone

All ages and purposes

Smiling young man in a red shirt holding a stack of books.

Student

I have all my school materials in one place and the lessons are tailored to my strengths and weaknesses.

Young female teacher in a yellow shirt holding a notepad.

Teacher

I can create tailor-made lesson plans in minutes and track my students' real progress.

Young man in white T-shirt scratching his head with a pencil.

Creator

I can easily digitize, monetize, and share my educational materials within the school environment.

Woman holding her child and smiling.

Parent

I can easily track my child's progress, with all their materials in one place and lessons tailored to their needs.

Older man in brown sweater holding a stack of papers.

Principal

I can see the strengths and weaknesses of my students not only in inter-class but also in inter-school comparisons.

Plans for pupils

Play with friends, download PDFs and create your own presentations.

Monthly

Annual

Free

$0 / month

$0 / year

Basic

$7.49 / month (-25%)

$89.88 / year
Most popular

Standard

$9.99 / month (-41%)

$119.88 / year
Free 7 days

Premium

$16.99 / month (-41%)

$203.88 / year

How it works

Instantly know what to study

Open any material and see the topic overview right away, so you never waste time figuring out where to start.

Learning that keeps you in flow

Interactive questions and instant feedback keep you moving and never let it get boring.

Results you can actually see

Track your progress and points so you know exactly how far you've come.

Frequently asked questions

Didn't find your answer? Write to us at support@forclassmates.com.
Do I need an account to go through a presentation?
Can I go through the presentation live with my whole class?
Is it free?

We are long term solution

Transform your life with ForClassmates - the long-term solution for improving your skills. Other online learning solutions are often just like a last-minute cram session before an exam. ForClassmates, however, helps reduce the stress of learning in the long term.

One decision is enough. Make 2026 Your Year.

Young boy in a blue shirt holding a book and pointing to the title of the section.Excited girl in a green t-shirt is holding a mobile phone and pointing to the title of the section.