![subject](/tpl/images/cats/himiya.png)
Chemistry, 29.08.2019 12:30 clietmaster112
What are three reasons why a population might change?
![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, 21.06.2019 23:00, orlando19882000
Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:00, foreignking02
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:00, citlalli30
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00, brisacruz013
Which statement best describes the he properties of iconic compounds ?
Answers: 1
You know the right answer?
What are three reasons why a population might change?...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.02.2021 08:10
![Konu](/tpl/images/cats/istoriya.png)
History, 02.02.2021 08:10
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.02.2021 08:10
![Konu](/tpl/images/cats/biologiya.png)