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

Author Question: Which of the following is a characteristic of the modern periodic table? (Read 23 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576

Question 1

What elements are in hydroxyapatite, Ca5(PO4)3OH, a major compound in human bones and teeth?
◦ carbon, potassium, oxygen, hydrogen
◦ calcium, phosphorous, oxygen, helium
◦ calcium, phosphorous, oxygen, hydrogen
◦ carbon, phosphorous, oxygen, helium
◦ carbon, potassium, oxygen, helium

Question 2

Which of the following is a characteristic of the modern periodic table?
◦ The elements in each group have similar chemical properties.
◦ The B groups contain the representative elements.
◦ The A groups contain the transition elements.
◦ A group is a horizontal row on the periodic table.
◦ A period is a column on the periodic table.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Alainaaa8 on Jun 7, 2021

nguyenhoanhat

  • 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




Alainaaa8

  • Member
  • Posts: 576
Reply 2 on: Jun 7, 2021
Thanks for the timely response, appreciate it


upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

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

For a complete list of videos, visit our video library