Chemistry

Chemistry, 21.01.2021 18:00, quianna410

How does oxygen become an ion with a -2 charge? A. they gain two electrons
B. they lose two electrons
C. they share two electrons

answer

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 19:10, cristinaledford3696

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Answers: 2

Chemistry, 22.06.2019 18:30, joshuasanders7490

What is the percentage of hydrogen in c2h4

Answers: 1

Chemistry, 23.06.2019 01:30, jenna3490

Ascientist is measuring the pressure that is exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen, and nitrogen. which term most likely describes what she is measuring?

Answers: 1

Chemistry, 23.06.2019 01:30, jonmorton159

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.

Answers: 1

Do you know the correct answer?

How does oxygen become an ion with a -2 charge? A. they gain two electrons
B. they lose two...

Questions in other subjects:

Konu

Biology, 03.04.2020 20:33

You visit a huge city with millions of people. If you were to start sampling the cystic fibrosis allele from one generation to the next, what should happen to its frequency over th...

Konu

Mathematics, 03.04.2020 20:33

Water is considered contaminated when the level of zinc in the water reaches 5 parts of zinc per 1 million parts of water. What is the level of zinc contamination written in scient...

Konu

Mathematics, 03.04.2020 20:33

Exits on a highway are numbered consecutively from 1 to 50. The distance from exit 41 to exit 50 is 100 km. If each exit is at least 6 km from the next exit, what is the longest po...

Konu

Mathematics, 03.04.2020 20:33

What are the three parts (all) polygons are made of?...

Konu

Business, 03.04.2020 20:33

Review the responses of one other classmate and using at least 100 words offer your thoughts and opinions on their post. Your response should be substantive and help to further the...

Konu

Engineering, 03.04.2020 20:33

Freeze concentration is used to produce a fruit-uice concentrate. A stream of fresh juice containing to form a preconcentrate, which is fed to a crystallizer. The mixture is cooled...

Konu

Chemistry, 03.04.2020 20:33

The literature value for the pKc of bromocresol green is 4.70 at 25 degrees Celsius. A student experimentally determined the pKc value of bromocresol green as 4.67. What is the % r...

Konu

Biology, 03.04.2020 20:33

Imagine yourself as one of the team of geneticists who launches a study of the genetic effects of high-energy radiation on the surviving Japanese population immediately following t...

Konu

Mathematics, 03.04.2020 20:33

What type of triangle has three equal angles?...

Konu

Mathematics, 03.04.2020 20:33

Factorise this expression as fully as possible 4x² + x^3...

Other tasks in the category: Chemistry More task