Bonding & ReactionsIonic vs covalent bonding, valence electrons and the five reaction types.10th GradeIONIC — electrons transferredNa⁺Cl⁻Metal + non-metal. One gives, one takes.High melting point; conducts when dissolved.COVALENT — electrons sharedHHNon-metal + non-metal. Both pull, neither wins.Lower melting point; usually does not conduct.VALENCE ELECTRONS BY GROUPGroup 11 valence e⁻loses 1 → +1Group 22 valence e⁻loses 2 → +2Group 133 valence e⁻loses 3 → +3Group 144 valence e⁻shares 4Group 155 valence e⁻gains 3 → −3Group 166 valence e⁻gains 2 → −2Group 177 valence e⁻gains 1 → −1Group 188 valence e⁻full — unreactiveTHE FIVE REACTION TYPESSynthesisA + B → AB2H₂ + O₂ → 2H₂ODecompositionAB → A + B2H₂O₂ → 2H₂O + O₂Single replacementA + BC → AC + BZn + 2HCl → ZnCl₂ + H₂Double replacementAB + CD → AD + CBAgNO₃ + NaCl → AgCl + NaNO₃Combustionfuel + O₂ → CO₂ + H₂OCH₄ + 2O₂ → CO₂ + 2H₂OMass is conserved — the same atoms must appear on both sides.Bonding & Reactionslearnposters.com
Bonding & Reactions — printable science wall chart from LearnPosters. Free vector PDF, US Letter and A4.

Questions about the Bonding & Reactions poster

Who is the Bonding & Reactions poster for?
Bonding & Reactions is filed under 10th Grade (ages 15–16), so it matches what that year asks a child to remember. It is equally useful to an older student revisiting science, and to the parent or teacher answering the question at the kitchen table.
When should you use the Bonding & Reactions poster?
The summary sheet for the chemistry posters in this set. A wall chart earns its place by being glanceable from where the work is happening, so Bonding & Reactions belongs on the wall where that science work actually happens, within glancing distance, rather than filed away.
What other posters go with Bonding & Reactions?
Acids and Bases, Balancing Equations and Covalent Bonding sit alongside Bonding & Reactions in the 10th Grade set. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Acids and BasesBalancing EquationsCovalent Bonding
Is the Bonding & Reactions poster free to download and print?
Yes. Bonding & Reactions downloads as a free PDF with no account, no email and no watermark, like everything else in the 10th Grade set. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Bonding & Reactions poster print at?
Bonding & Reactions is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Bonding & Reactions loses nothing.Printing guide

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