![subject](/tpl/images/cats/himiya.png)
Chemistry, 29.11.2021 23:10 eshaesmot12345
An element is defined as a substance that is composed of only one type of atom. true or false?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 05:00
Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 06:00
When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
Answers: 1
You know the right answer?
An element is defined as a substance that is composed of only one type of atom. true or false?...
Questions
![question](/tpl/images/cats/en.png)
English, 25.09.2019 13:50
![question](/tpl/images/cats/biologiya.png)
Biology, 25.09.2019 13:50
![question](/tpl/images/cats/fizika.png)
Physics, 25.09.2019 13:50
![question](/tpl/images/cats/biologiya.png)
Biology, 25.09.2019 13:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 25.09.2019 13:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mkx.png)
Arts, 25.09.2019 13:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.09.2019 13:50
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 13:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 25.09.2019 13:50
![question](/tpl/images/cats/en.png)
English, 25.09.2019 13:50
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 13:50