Uzupełnij zapis powstawania jonu z atomu. Podaj liczby protonów i elektronów wjonie.( ... / 2 p.)a) S → S2–b) K → K+ liczba protonów: Liczba protonów: Liczba elektronów: Liczba elektronów:

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Based on the formulas, select the compounds below that are covalent: kbr sif4 al2o3 co2 naco3 s7o2 pcl3 fe3n2 h2o s2f10