Answer:
Engineering is all about solving problems using math, science, and technical knowledge. And engineers have solved a lot of problems in the world by designing and building various technologies. We have everything from machines that can breathe for you in hospitals to suspension bridges to computers we use every day. All of these things were once designed by engineers using the engineering design process.
Explanation:
Your answer to your question is: 1s² 2s² 2p⁶
1 mol of Br = 79.9 g
15.7 g / 79.9 g = 0.196 moles of atoms
<span>Cr3+ O2- ; the formula is Cr2O3 ( criss cross)</span>
