# science

if barium ions have a charge of 2= nd hydroxide ions have a charge of 1-, the compound calcium is what?

1. 👍 0
2. 👎 0
3. 👁 152
1. Perhaps instead of "2=" you meant 2+?

http://search.yahoo.com/search?fr=mcafee&p=what+is+the+compound+calcium+if+barium+ions+have+a+charge+of+2%3D+and+hydroxide+ions+h+ave+a+charge+of+1-

Sra

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Chemistry

1) How does the atomic radius change from left to right across a period in the periodic table? A) It tends to decrease*** B)It tends to increase C) It first increases, then decreases D) It first decreases, then increases 2) What

asked by Mary on October 18, 2016
2. ### Physics

A hydroxide ion (OH−) in a glass of water has an average speed of about 600 m/s. Determine the magnitude of the electrical force between the hydroxide ion (charge −e) and a positive ion (charge +e) that is 1.0 × 10−8 m away

asked by Kyle on October 3, 2016
3. ### chemistry

which solution has the highest concentration of hydroxide ions? a ph=7.93 b ph=12.59 c ph=7.00 d ph=9.82 e ph=3.21 i know the answer is 7 but why is it seven? would it be different if it said hydronium ions?

asked by jessie on December 11, 2010
4. ### science

The nonmetals in Groups 6A and 7A ____. a. lose electrons when they form ions b. have a numerical charge that is found by subtracting 8 from the group number c. all have ions with a –1 charge d. end in -ate Check my thinking but

asked by Maye on July 4, 2007
5. ### Chemistry

When HCl(aq) is exactly neutralized by NaOH(aq), the hydrogen ion concentration in the resulting mixture is a. always equal than the concentration of the hydroxide ions b.sometimes greater and sometimes less than the concentration

asked by Julia on April 20, 2010

A student is asked to standardize a solution of barium hydroxide. He weighs out 0.945 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 33.9 mL of barium hydroxide to reach the endpoint. A.

asked by Hannah on November 20, 2011
2. ### Science

The magnitude of the electrostatic force between two identical ions that are separated by a distance of 5.0A is 3.7×10^-9N. a) what is the charge of each ion? b) how many electrons are missing from each ion( thus giving the ion

asked by Kikks on July 30, 2018
3. ### Integrated Science

What do positive hydrogen ions produce when they react with water in solution? A).hydroxide ions B).hydronium ions C).a salt D).negative hydrogen ions I believe the answer is A). Is this correct?

asked by Kiley on December 15, 2018
4. ### Chem

According to the Arrhenius Theory of acids and bases, a base is: A A substance that decrease the amount of hydroxide ions present. B A substance that increases the amount of hydroxide ions present when it is dissolved in water. C

asked by Anonymous on June 16, 2020
5. ### science

The concentration of hydroxide ions in the antacid, milk of magnesia, is 5.2x10^-4 M. Calculate the concentration of hydronium ions at 25 degrees celcius.

asked by Jeanne on December 5, 2012
6. ### Chemistry

What is the formula for the ions in the compounds BaSO4 and Li2CO3 BaSO4 has barium ions (Ba2+, Sulfate ions SO42-, and Lithium carbonate has lithium ions Li1+, and carbonate ions CO32- Ba ions (might be written as Ba^2+) and

asked by Bryan on November 16, 2006