(a) The protons (b) The nucleus (c) The electrons 2. What is the charge on an electron? (a) One positive (b) No charge (c) One negative 3. Which of the three sub-atomic particles is the lightest? (a) The proton (b) The neutron (c) The electron 4. If atoms contain charged particles, why do they not …
Which of the following is an element? (A) Diamond (B) Emerald (C) Sapphire (D) Ruby Answer: A (Graphite and Diamond are allotropes of Carbon) The catalyst used in the production of ammonia by the Haber’s process is (A) Platinum (B) Molybdenum (C) Iron (D) Nickel Answer: B Which of the following is to be found …
This teacher never be exhausted. Always on the go. Always keeps smiling. If you ever give her Math classes for four periods in a row, she won’t give you any complain! Why? She loves teaching, loves mentoring, loves inspiring, loves sharing, loves kahooting! All she does are related to students’ fun acquisition of Math skills …