This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following pairs has the same number valence electrons? A) magnesium and potassium ... (Read 81 times)

lunatika

  • Hero Member
  • *****
  • Posts: 548
on: Aug 27, 2018
Which of the following pairs has the same number valence electrons?
 
  A) magnesium and potassium
  B) lithium and calcium
  C) argon and xenon
  D) phosphorus and tellurium

Question 2

Why is it impractical to burn any fuel in such a way that no nitrogen oxides are formed as combustion products?
 
  A) All fuels contain nitrogen.
  B) Nitrogen oxides form wherever air is exposed to high temperatures.
  C) Much of the energy of combustion comes from the formation of nitrogen oxides.
  D) Plants have come to depend on the nitrogen oxides produced from combustion.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

LP

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B


lunatika

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Aug 27, 2018
Thank you!


LP

  • Sr. Member
  • ****
  • Posts: 302
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Everyone has one nostril that is larger than the other.

Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic
The seven phenotypic pairs studied by Mendel The seven phenotypic pairs studied by Mendel
Any number of crossovers gives 50 percent recombinants Any number of crossovers gives 50 percent recombinants
Calculate the number of grams of solute in 500.0 mL of 0.169 M KOH. Calculate the number of grams of solute in 500.0 mL of 0.169 M KOH.
physics question number 5 - moving conductors physics question number 5 - moving conductors
Human Diseases Associated with Copy Number Variants Human Diseases Associated with Copy Number Variants
Video: Female Reproductive System - Hormonal regulation (GnRH) الجهاز التناسلي للأنثى - التنظيم الهرموني

For a complete list of videos, visit our video library