![subject](/tpl/images/cats/himiya.png)
Chemistry, 18.03.2021 01:30 nataliem02
During reaction between calcium and oxygen valence electrons
A. are transferred from atoms of calcium to atoms of oxygen to form Ca+ and O- ions
B. are shared between atoms of calcium and atoms of oxygen
C are transferred from atoms of calcium to atoms of oxygen to form Ca+2 and O-2 ions
D. are transferred from atoms of oxygen to atoms of calcium to form Ca- and O+ ions
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:30
What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:50
Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘
Answers: 2
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:40
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
Answers: 3
You know the right answer?
During reaction between calcium and oxygen valence electrons
A. are transferred from atoms of calci...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 02:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 06.11.2020 02:50
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 02:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 02:50
![question](/tpl/images/cats/fizika.png)
Physics, 06.11.2020 02:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 02:50