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25 Answered Questions for the topic Ions

03/18/20

Periodic table/electron configuration/ion help

Cation formed: Li +Anion formed: P 3-Formula of ionic compound formed?Electron configurations of the elements?

03/18/20

Periodic table/electron configuration/ion help

Formula of ionic compound formed: Mg3N2Cation formed?Anion formed?Electron configurations?

03/18/20

Periodic table/electron configuration/ion help

Cation formed: K+Anion formed: O-The electron configurations?Formula of ionic compound formed?

03/18/20

Periodic table/electron configuration/ion help

Electron configuration of the element: 1s22s22p63s23p64s21s22s22p63s23p4Cation formed?Anion formed?Formula of ionic compound formed?

03/18/20

Consider an ion with the symbol X 2+ formed from a main group element...

a) What is the group number of this element?b) If X is in period 3, what is the element?c) What is the formula of the compound formed from X and the nitride ion?

03/18/20

Identify each of the following atoms or ions, use the correct name/nomenclature...

1) 18 e- 16 p+ 16 n2) 8 e- 8 p+ 8 n3) 23 e- 26 p+ 28 n

11/24/19

If I mix 25.0mL of 3.00 M Lead (II) Nitrate with 45.0mL of 2.50 M Potassium Chloride.

What is the final number of moles of potassium ion present? What is the final concentration of potassium ion? What is the concentration of the excess ion at the end of the reaction?I know the... more

Ozonolysis conditions for benzene?

What are the precise conditions under which benzene undergoes ozonolysis? All anyone can tell me is that it undergoes ozonolysis under "vigorous" conditions. But, what vigorous conditions?

10/12/18

Compounds and Ions

The ions Na+ and Mg2+ occur in chemical compounds, but not the ions Na2+ and Mg3+ do not. Explain.

Ion Concentration/Dissociation

What is the concentration of each ion of the resulting solution when 18.5 mL of 0.25 M Al(NO3)3 is mixed with 22.4 mL of 0.50 M Cu(NO3)3?

05/17/18

across what membrane is there a pH differential (H+ gradient) caused by an imbalance of h+ ions? on which side of the membrane are there more H+ ions?

across what membrane is there a pH differential caused by an imbalance of h+ ions? On which side of the membrane are there more h+ ions?
Ions

01/26/18

Mg^2+ Is this saying that the magnesium has gained two electrons? How do I determine the amount of protons and neutrons?

I am reading chapter 2 of my textbook for the first time and it is talking about ions and how they either gain or lose an electron. What information am I supposed to take away or infere by the... more
Ions Math Science

10/19/17

Can you help me with this AP Chemistry problem on reactions and cations? Thanks.

An unknown solution is tested as follows: NaCl is added and no precipitate is formed K2SO4 is added and no precipitate is formed.   Which of these cations might be present in the solution:   A.... more

10/15/17

which name of Zn(OH)2 compound is right? Zinc Hydroxide, or Zinc(||) Hydroxide ?

i know that Zinc is one of the metals cations, but i don't know if it's a transition metal too. I asked my professor once and he preferred the second one Zinc(||) Hydroxide, but after i researched... more

08/28/16

If a patient has a blood volume of 4.7L, how much H+ is in deficit?

I know that is has to do with pH and hydrogen ions, but i do not know what is the correlation between volume and hydrogen ions

Chemistry question??PLEASE HELP? Element X, whose atoms have an outer-she'll electron configuration ns2np1, is most likely to react chemically to form ...

Element X, whose atoms have an outer-she'll electron configuration ns2np1, is most likely to react chemically to form ions which have a charge of: -3.     +3.        -2.     +1.        -1.   can... more

Can you please help me??! Chemistry problem: Identifying a solution containing ions of an unknown element X based on the results of three tests? Multiple choice

A solution containing ions of an unknown element X is divided into 3 samples. The following tests were performed on samples of the solution. Sample Test Observation1 Add H+ (aq) No Change2 ADD... more

CHEM HELP PLEASE???!!! A solution containing ions of an unknown element X is divided into 3 samples. Identify X.?(multiple choice!)

A solution containing ions of an unknown element X is divided into 3 samples. The following tests were performed on samples of the solution.   Sample              Test                  ... more

09/22/15

Ionic Size

I really don't understand what this is asking... please help.   1.) As you move left to right across the period, there are two elements that instead show a decrease in ionization energy. Identify... more

11/18/14

A Question about Chemistry

Calculate each of the following   (a) moles of compound in 0.510 g ammonium bromide_____ mol (b) number of potassium ions in 59.8 g potassium nitrate_____ ions (c) mass in grams of 6.02 mol... more

11/17/14

Its a question about Chemistry

  For each of the following compounds, give the formula, charge, and number of each ion that makes up the compound. (For example, for H2SO4, enter SO4 in the anion box, -2 in the charge box, and 1... more

How is PCl5 a polyatomic compound and where did the ionic charge of 5 come from?

On the periodic table phosphorus charge is 3- and chloride charge is -1. I'm confused where the ionic charge of 5 came from.   I'm told that PCl5 is Polyatomic compound HOWEVER neither element is... more

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