![subject](/tpl/images/cats/himiya.png)
Chemistry, 20.10.2020 08:01 mrojas1011
The melting point and boiling points of elements in period 3 decrease across the period from left to right. Explain why there is a sharp increase in melting point and boiling point in the middle of the period and identify the element with such behaviour.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 18:00
Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:30
Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
![question](/tpl/images/cats/himiya.png)
You know the right answer?
The melting point and boiling points of elements in period 3 decrease across the period from left to...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2020 23:01
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 27.08.2020 23:01
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2020 23:01
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 27.08.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 27.08.2020 23:01
![question](/tpl/images/cats/istoriya.png)
History, 27.08.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2020 23:01
![question](/tpl/images/cats/ekonomika.png)
Business, 27.08.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 27.08.2020 23:01