An atom has 18 protons, 18 electrons, and 20 neutrons.
this atom has ?
a negative char...
![subject](/tpl/images/cats/fizika.png)
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:40
How is the gravitational force related to the distance between two objects?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:00
Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 08:00
Who was the first scientist to measure speed as distance over time?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:10
An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2019 19:00
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 02.10.2019 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2019 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2019 19:00
![question](/tpl/images/cats/en.png)
English, 02.10.2019 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2019 19:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2019 19:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 02.10.2019 19:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2019 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2019 19:00
![question](/tpl/images/cats/fizika.png)
Physics, 02.10.2019 19:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2019 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2019 19:00
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2019 19:00