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

Author Question: Consider the following properties of an element: (i) It is solid at room temperature. (ii) It ... (Read 42 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
Consider the following properties of an element:
 
  (i) It is solid at room temperature.
   (ii) It easily forms an oxide when exposed to air.
   (iii) When it reacts with water, hydrogen gas evolves.
   (iv) It must be stored submerged in oil.
 
  Which element fits the above description the best?
  A) sulfur
  B) copper
  C) mercury
  D) sodium
  E) magnesium

Question 2

Which one of the following pairs cannot be mixed together to form a buffer solution?
 
  A) HONH2, HONH3Cl
  B) NaCl, HCl
  C) RbOH, HF
  D) KOH, HNO2
  E) H2SO3, KHSO3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Zebsrer

  • Sr. Member
  • ****
  • Posts: 284
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 35% of students answer this correctly





 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

For a complete list of videos, visit our video library