Inertia depends on the mass of an object.
A B C these are the answers hopes this help <3
Answer:
must have the same number of protons
Elements that are usually shiny and good conductors of heat and electricity are metals.
<h3>What are conductors?</h3>
The conductors are the metal or non metal elements which allow heat and electricity to easily pass through them.
Metals are elements with good conductivity of electric current and heat. Metals have lustre characteristics. They are shiny and bendable just like copper wire, which is a metal.
Hence, elements that are usually shiny and good conductors of heat and electricity are metals.
Learn more about conductors.
brainly.com/question/18084972
#SPJ4
I think the answer is covalent bonds.