Explain solid co2 forms a molecular crystal

Assignment Help Chemistry

Reference no: EM13241590

Solid CO2 (dry ice) forms a molecular crystal that sublimes at -78oC. SiO2 forms a network solid that melts at about 1200oC. Which of the following accounts for this striking difference in properties?

Unlike C, Si does not normally exist in the +4 oxidation state.
Si is more electronegative than C.
Si is a stronger Lewis base than C.
Unlike C, Si uses d-orbitals in bonding.
Unlike C, Si cannot make multiple bonds.

Reference no: EM13241590

Questions Cloud

How to convert a exam score back to percent score : How to convert a exam score (standard score) back to Percent score? e.g. Total of students 16,

Explain want to dope gaas to make an n-type semiconductor : If you want to dope GaAs to make an n-type semiconductor with an element to replace Ga, which of the elements below would you pick

The library is to be given 3 books as a gift the books will : The library is to be given 3 books as a gift. The books will be selected from a list of 18 titles. If each book selected must have a different title, how many possible selections are there?

Existing use of international strategies : Analyze Harley-Davidson's existing use of international strategies,

Explain solid co2 forms a molecular crystal : Solid CO2 (dry ice) forms a molecular crystal that sublimes at -78oC. SiO2 forms a network solid that melts at about 1200oC. Which of the following accounts for this striking difference in properties

What is the difference between a population standard : Apply the problem discovery sample size formula to several finite populations. How should I integrate the finite population correction factor (FPC) into this formula?

Which is in need of a new program or service within comunity : Imagine you are a policymaker or city council member and are actively involved in improving the lives of the vulnerable. Via the first two written assignments, you have already selected one vulnerable population, which is in need of a new program or ..

When would you use a hypothesis test for the difference : When would you use a hypothesis test for the difference in two population proportions at your place of employment, in your education, or in politics?

A sample of pvc pipes coming off a production line were test : A sample of PVC pipes coming off a production line were tested for pipe diameter size. The statistical results (in millimeters) were:

User Account

All Pages