From masks to social distancing, there is no doubt that the year of 2020 has brought many significant changes into our lives. Among them, there is one that is most likely here to stay: the culture of online learning, or Zoom classes. Schools and educational...
DIFFERENCES BETWEEN H1 AND H2 CHEMISTRY While O-level Chemistry focuses on factual content, A-Level chemistry concentrates more on interpreting and applying scientific concepts and principles. Advanced techniques are essential for students to recognize the need to...
Group VII Elements Introduction Group VII elements are called halogens. The word halogen mens “Salt Former” because a Group VII element forms salts when it reacts with metals. These halogens are found in Group VII, or from the 2nd column from the right in the...
