![subject](/tpl/images/cats/himiya.png)
A)state the number of valence electrons for the element o? b) an element with 5 protons, has how many electrons? c) if an element has 4 electrons and an atomic mass of 9, what element is it? d)chlorine has two naturally occurring isotopes: cl-35 and cl-37. which isotope is more abundant if the atomic mass of chlorine is 35.45?
![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 17:00
Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:00
Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
Answers: 1
![question](/tpl/images/cats/himiya.png)
You know the right answer?
A)state the number of valence electrons for the element o? b) an element with 5 protons, has how ma...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 16.09.2021 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 16.09.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2021 14:00
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/health.png)
Health, 16.09.2021 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 16.09.2021 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 16.09.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2021 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 16.09.2021 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 16.09.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 16.09.2021 14:00
![question](/tpl/images/cats/mat.png)