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Ions
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Questions (77)
A water sample saturated in CaF2 has Ca2+ of 115 ppm (115g Ca2+ per 10^6g water sample). What is the F- ion content of the water
3 answers
asked by
Jenny
1,432 views
Which is a hydronium ion?
a) H3O^+ b) H2O^+ c) HCl d) Cl^+ e) OH^-
1 answer
asked anonymously
18 views
Give an example of one polyatomic cation and one polyatomic anion. Show how these ions combine to make a compound.
My thinking:
5 answers
asked by
Isaac
1,118 views
a solution is known to contain Cl, NO3, NO2, and SO4 ions. which of these ions can be positively identified?
3 answers
asked by
Frank
1,016 views
Enter the symbol of a sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2-}
4 answers
asked by
Zulema
978 views
a negative charged atom is called an ion.
is this statement right?if not how can i fix it?
2 answers
asked by
Jiang
897 views
name each ion
1. As3- 2. Ca2+ 3. H- Since this is not my area of expertise, I searched Google under the key words "<I>H-
1 answer
asked by
Kathleen
779 views
what is the chemical name and lewis structure of NO3 -2
2 answers
asked by
Amanda
714 views
sate the number of electrons lost or gained when the following elements form ions sr
2 answers
asked by
Emily
743 views
Write the symbol and electron configuration for each ion and name the noble gas with the same configuration.
a. nitride
2 answers
asked by
Greg
741 views
name the ions: Ag+ and P-3... and it's not silver..
6 answers
asked by
Katie
537 views
Place charges and electron dots as needed on each ion. As Se Br K Ca Ga. I answered:
As3+ Se2- Br- K+ Ca2+ Ga2+
3 answers
asked by
joane
502 views
what ions are present in AgNO2 + (NH4)SO4
I have Ag and N and H SO is a solid formed? no?
2 answers
asked by
kathy
498 views
which of the following ions are formed when AgNO3 dissociates?
a. O2- b. N3- c. AgN2- d. NO3- e. N2-
1 answer
asked by
bekah
459 views
Fe2+ and Fe3+ are two different iron -
elements neutrons isotopes ions
1 answer
asked anonymously
33 views
Match the group to the type of ions they form
Column A 1. Group 1A: Group 1A 2. Group 2A: Group 2A 3. Group 3A: Group 3A 4. Group
1 answer
asked by
e
76 views
What is the name of the ion made from an atom of Selenium?
1 answer
asked anonymously
16 views
Based on the naming rules for ions, which of the following is a negatively charged ion (not a polyatomic ion)?(1 point)
chlorine
1 answer
asked anonymously
26 views
Fluorine has 7 valence electrons. Which charge is its ion likely to have?(1 point)
5+ 1– 1+ 5-
1 answer
asked anonymously
12 views
Gallium has an atomic number of 31 and a mass number of 70.
1. What are the number of protons, neutrons, and electrons in a
1 answer
asked by
yoyo808
18 views
Four examples of polyatomic ions
1 answer
asked anonymously
11 views
Using dots and cross diagram show the compound phosphonium ion PH4 +(H=1,P=15)
1 answer
asked by
Stephany
27 views
Based on the naming rules for ions, which of the following is a negatively charged ion (not a polyatomic ion)?(1 point)
1 answer
asked anonymously
29 views
The simple model below is a neutral magnesium (Mg) atom with the element’s most common mass number.
A purple circle labeled M g
1 answer
asked anonymously
14 views
How many protons and electrons are present in each ion? K+, N3-
3 answers
asked anonymously
23 views
What is true of a sulfide ion (S2-)?
It has two more protons than electrons. It loses two electrons during a chemical reaction.
1 answer
asked by
e
42 views
Highlight the group that forms cations with a +2 charge.
1 answer
asked anonymously
18 views
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Parent Categories (13)
Atomic Structure
Atoms
Chemical Composition
Chemical Compounds
Chemical elements
Chemical Formulas
Chemical Reactions
Chemistry
Elements
elements and compounds
Inorganic Chemistry
Lewis Dot Structure
Stoichiometry