Lập công thức hóa học của các hợp chất tạo bởi các nguyên tố K, Al, Ba, Cu, Fe, Na, H với nhóm nguyên tử NO3,SO4, PO4,CO3, OH. phân loại

What is the mass of each element in a 324.8 sample of co2

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

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning