Chemistry, 27.10.2021 09:30, reneecoutinho10
Just need help on these questions :)
1. _ is a positive ion and ___ is a negative ion.
2. Two or more substances mixed but not chemically combined are a _.
3. Acids solutions have pH values below ___.
4. A solution with a pH of 0 is very ___.
5. A solution with a pH of 7 is ___.
6. Pure water has a pH of __.
7. Basic solutions have pH values above__.
Answers: 2
Chemistry, 22.06.2019 02:00, hemolelekeakua
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 04:00, eborkins
Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral
Answers: 3
Chemistry, 22.06.2019 16:00, corcoranrobert1959
How do dying stars contribute to the formation of planets
Answers: 1
Chemistry, 22.06.2019 18:30, madmatt873
What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml
Answers: 1
Just need help on these questions :)
1. _ is a positive ion and ___ is a negative ion.
2. Two...
2. Two...
History, 18.03.2021 02:30
History, 18.03.2021 02:30