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

Author Question: What is the identity of element Q if the ion Q2+ contains 18 electrons? (Read 679 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528

Question 1

In which of the following sets do all species have the same number of protons?
◦ Br-, Kr, Rb2+
◦ C, N3-, O2-
◦ O, O2-, O2+
◦ Mg2+, Ca2+, Ba2+

Question 2

What is the identity of element Q if the ion Q2+ contains 18 electrons?
◦ Si
◦ Ca
◦ Ar
◦ S


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Wadzanai on Feb 15, 2020

Danny Ewald

  • Sr. Member
  • ****
  • Posts: 332
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 39% of students answer this correctly



Briana Bueno

  • Newbie
  • *
  • Posts: 1

 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

For a complete list of videos, visit our video library