Answer:
The charge on the nucleus of an atom; controlled by the number of protons and electrons present in an atom.
Explanation:
Polyethene is a polymer composed of repeating units of the monomer ethene.
The properties of polyethene are as follows:
- density- ranges 0.857 g/cm3 to 0.975 g/cm3.
- specific heat capacity is 1.9 kJ/kg.
- melting temperature is approximately 110 °C.
<h3>What are polymers?</h3>
Polymers are large macromolecules consisting of long repeating chains of smaller molecules known as monomers.
An example of a polymer is polyethene composed of repeating units of the monomer ethene.
The density of polyethylene ranges 0.857 g/cm3 to 0.975 g/cm3.
The specific heat capacity of polyethene is 1.9 kJ/kg.
The melting temperature of polyethene is approximately 110 °C.
Learn more about polyethene at: brainly.com/question/165779
Answer:
Ya'll should really practice more because things like these are easy
Explanation:
Answer:
Potassium (K) and Lithium (Li) for the fist one i cant see the second
Explanation:
I don’t know what to do with the answer I don’t know how you feel sorry I didn’t
