![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:30, acaciacoats
The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.
Answers: 2
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:30, Nathaliasmiles
If a particle has z = 25 and 23 electrons, what is its charge?
Answers: 2
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 11:30, junahsisney
Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.
Answers: 1
You know the right answer?
17. A substance breaks down into its component elements when it is heated. If 68.0 g of
the substan...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 31.01.2020 07:57
![Konu](/tpl/images/cats/geografiya.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/geografiya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 31.01.2020 07:57
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/ekonomika.png)
Business, 31.01.2020 07:57