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 152 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?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

cyclic nucleotide regulated potassium channel cyclic nucleotide regulated potassium channel
Humans have 23 pairs of chromosomes, containing 3 billion “letters” in the DNA code and about ... Humans have 23 pairs of chromosomes, containing 3 billion “letters” in the DNA code and about ...
Father’s Age and the Number of de novo Mutations Father’s Age and the Number of de novo Mutations
Coenzyme Q collects electrons from multiple flavoproteins Coenzyme Q collects electrons from multiple flavoproteins
DNA Hypermethylation of Number of Known Genes DNA Hypermethylation of Number of Known Genes
Draw the electric field of: •An electron and proton •Two electrons Draw the electric field of: •An electron and proton •Two electrons
Video: Acid-base imbalances - compensation of metabolic acidosis and alkalosis

For a complete list of videos, visit our video library