Cho 3,9g kim loại kiềm tác dung vs nước ( dư ) thu được 1,12 lít khí hidro ( đktc ) và dung dịch A Xác định tên kim loại

Tính thể tích dung dịch HCL 1M cần để trung hòa dung dịch A

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize