Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Chromium: Chromium is a Lustrous,brittle and hard metal.Its colour is silver gray and it can be highly polished.It does not tarnish in air.It is unstable in oxygen ,it immediately produces a thin oxide layer that is impermeable to oxygen and protects the metal below.
Copper: An important chemical property of copper is that the way it reacts with oxygen.It is a ductile metal with high thermal and electrical conductivity.Pure copper is soft and malleable.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts