![subject](/tpl/images/cats/himiya.png)
Chemistry, 24.03.2021 01:00 LindaCat78
The characteristics of two different types of reactions are shown below:
Reaction A: Protons are gained or lost by the atom of an element.
Reaction B: Electrons are lost by the atoms of an element.
Which statement is true about the two reactions?
Valence electrons are not involved in both Reaction A and Reaction B.
Valence electrons are involved in Reaction B but not in Reaction A.
Valence electrons are involved in both Reaction A and Reaction B.
Valence electrons are involved in Reaction A but not in Reaction B.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
Answers: 2
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:40
In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
You know the right answer?
The characteristics of two different types of reactions are shown below:
Reaction A: Protons are ga...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2020 12:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 25.01.2020 12:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2020 12:31
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 25.01.2020 12:31
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2020 12:31
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 25.01.2020 12:31
![question](/tpl/images/cats/mat.png)