What are the three types of scientific investigations?
a. investigative, comparative, a...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 14.12.2019 11:31 robtodd4614
What are the three types of scientific investigations?
a. investigative, comparative, and experimental
b. descriptive, collective, and investigative
c. collective, comparative, and experimental
d. descriptive, comparative, and experimental
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/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 05:00
Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:30
Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:00
As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:00
Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![question](/tpl/images/cats/fizika.png)
Physics, 25.06.2019 23:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 25.06.2019 23:00
![question](/tpl/images/cats/istoriya.png)
History, 25.06.2019 23:00
![question](/tpl/images/cats/geografiya.png)
Geography, 25.06.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![question](/tpl/images/cats/en.png)
English, 25.06.2019 23:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![question](/tpl/images/cats/istoriya.png)
History, 25.06.2019 23:00