What mass of oxygen atoms contains the same number of moles as 112 g of sulphur atoms? [R. A.M: 0 = 16. S = 32]
0.56g
5.6g
56.0g
560g

Which answer lists the fundamental forces in order from strongest to weakest

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride