« previous next »

Author Question: What is the valence shell electron configuration of the ion formed from an atom of the halogen ... (Read 48 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Aug 27, 2018
What is the valence shell electron configuration of the ion formed from an atom of the halogen family?
 
  A) ns2
  B) ns2 np2
  C) ns2 np4
  D) ns2 np6
  E) ns2 np8

Question 2

What mass of N2 will be produced from the reaction of 50.0 g N2O4 with 45.0 g N2H4? N2O4(l) + 2 N2H4(l)  3 N2(g) + 4 H2O(g)
 
  A) 59.0 g
  B) 118 g
  C) 152 g
  D) 45.7 g

Question 3

What is the concentration of a solution of HCl in which a 10.0 mL sample of acid required 50.0 mL of 0.150 M NaOH for neutralization?
 
  A) 0.0300 M
  B) 0.150 M
  C) 0.600 M
  D) 0.750 M
  E) 7.50 M


kishoreddi

  • Sr. Member
  • ****
  • Posts: 329
    • Your online Help in Biology and chemistry
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D

Answer to Question 3

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Electron transport chain Electron transport chain
electron microscope image of a diatom electron microscope image of a diatom
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
Atom of the Element Lithium Atom of the Element Lithium
Sites of action of some respiratory inhibitors and artificial electron acceptors Sites of action of some respiratory inhibitors and artificial electron acceptors
How are Muscles Formed? How are Muscles Formed?
Video: Facilitated Diffusion - Glucose transport

For a complete list of videos, visit our video library