« previous next »

Author Question: The complete electron configuration of vanadium, element 23, is ________. A) 1s22s22p103s23p7 ... (Read 106 times)

lak

  • Hero Member
  • *****
  • Posts: 546
on: Aug 27, 2018
The complete electron configuration of vanadium, element 23, is ________.
 
  A) 1s22s22p103s23p7
  B) 1s22s22p63s23p63d34 s2
  C) 1s42s42p63s43p5
  D) 1s42s42p103s43p1
  E) 1s42s42p83s43p3

Question 2

The acid-dissociation constant of hydrocyanic acid (HCN) at 25.0 C is 4.9  10-10. What is the pH of an aqueous solution of 0.050 M sodium cyanide (NaCN)?
 
  A) 11.00
  B) 3.00
  C) 1.0  10-3
  D) 9.9  10-12
  E) 2.5  10-11
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


millet

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Electron micrographs of a cellular membrane. Electron micrographs of a cellular membrane.
Atom of the Element Lithium Atom of the Element Lithium
Replicated human chromosomes as seen by scanning electron microscopy Replicated human chromosomes as seen by scanning electron microscopy
What are the concentrations of Cr?+ and OH after the precipitation process is complete? What are the concentrations of Cr?+ and OH after the precipitation process is complete?
Electron micrograph of Euglena gracilis Electron micrograph of Euglena gracilis
Draw a complete stepwise mechanism for the oxidation of benzil from benzoin using nitric acid. Draw a complete stepwise mechanism for the oxidation of benzil from benzoin using nitric acid.
Video: How proteins function? How do proteins work?

For a complete list of videos, visit our video library