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 101 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?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Some ion pairs that stabilize the T state of deoxyhemoglobin Some ion pairs that stabilize the T state of deoxyhemoglobin
homologous pairs homologous pairs
(a) The relative age ranges of different dating techniques depend upon the half-life of the system u (a) The relative age ranges of different dating techniques depend upon the half-life of the system u
Potassium Channel Blockers Potassium Channel Blockers
Number and label designations for oxygen sensors. Bank 1 is the bank where cylinder number 1 is ... Number and label designations for oxygen sensors. Bank 1 is the bank where cylinder number 1 is ...
A teaspoon of milk of magnesia contains 12.0 mg of magnesium hydroxide A teaspoon of milk of magnesia contains 12.0 mg of magnesium hydroxide
Video: DNA close up Animation

For a complete list of videos, visit our video library