This topic contains a solution. Click here to go to the answer

Author Question: Give the number of electrons for carbon-14, with a -2 charge. A) 7 B) 4 C) 6 D) ... (Read 56 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
Give the number of electrons for carbon-14, with a -2 charge.
 
  A) 7
  B) 4
  C) 6
  D) 8

Question 2

What species is represented by the following information? p+ = 17 n = 18 e- = 18
 
  A) Cl
  B) Cl-
  C) Ar
  D) Ar+
  E) Kr

Question 3

What species is represented by the following information? p+ = 47 n = 62 e- = 46
 
  A) Ag+
  B) Nd
  C) Pd
  D) Ag
  E) Pd+

Question 4

Which of the following is an example of chemical change?
 
  A) Copper building materials develop a green patina over time.
  B) Water vapor condenses on the window.
  C) Ethanol evaporates.
  D) A mixture of hydrogen and oxygen gas explodes on ignition.
  E) A helium balloon goes up in the air.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hollysheppard095

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

D

Answer to Question 2

B

Answer to Question 3

A

Answer to Question 4

D




aabwk4

  • Member
  • Posts: 593
Reply 2 on: Aug 27, 2018
Gracias!


atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library