john-florentino-e-echon documents

Science Lewis symbol echon

Science Geothermal energy

Science Flame test

Science Echon (electron configuration)

Education Magma

Education Strategic Invention Materials Population Density

Education Strategic Intervention Materials (SIM) about Mitochondria

Education Paraphrasing, Quoting and Summarizing

Technology Where does cyberbullying occur? by Francis Jane Abdon

Technology Online Gaming by Adrian Esguerra and Julia Althea Ebido