Answer:
2. have no negative particle
Explanation:
Helium atoms contains 2 neutrons and 2 protons (or 2 electrons). Thus, it has a mass number of 4 and atomic number of 2.
Alpha particles are heavy and positively charged, which make them to be deflected in a magnetic or electric charge. So, the helium atoms used as alpha particles for the gold foil experiment must have no negative particle.
Binary fission is a method of asexual reproduction which single-celled organisms, usually prokaryotes, use to create a copy of themselves.
Mitosis is cell division that results in two identical daughter cells and is primarily used for growth of an organism
Binary fission is a type of asexual reproduction. This is when the cell divides into halves. So 1 cell would end up as 2 smaller cells.
Answer:
Archimedes principle
Explanation:
Any object, totally or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.