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o-na [289]
2 years ago
13

What is the overall charge on the compound, sodium hydroxide? explain

Chemistry
1 answer:
Fiesta28 [93]2 years ago
7 0

Answer:

Overall, the electric charge of the compound {\rm NaOH} is 0.

Explanation:

Sodium hydroxide {\rm NaOH} is an ionic compound. This compound is made up of a large number of sodium ions {\rm Na^{+}} and hydroxide ions {\rm OH^{-}}.

As the superscripts suggest, each sodium ion {\rm Na^{+}} carries a charge of (+1) while each hydroxide ion {\rm OH^{-}} carries a charge of (-1).

The two types of ions are paired up at a one-to-one ratio within {\rm NaOH}. Charges on these ions would balance one another, such that the overall electric charge on the compound {\rm NaOH}\! would be 0.

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Since all atoms have negatively charged electrons, shouldn’t every sample of matter have a negative charge ? Explain
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The three sub-atomic particles that made up an atom are electron, proton and neutron. The proton and neutron are present in the nucleus of an atom whereas electrons revolve around the nucleus in the orbits. The atoms are electrically neutral that is they have no charge due to the presence of equal number of protons (which is positively charged) and electrons (which is negatively charged).

All the atoms have negatively charged electrons which are counter balanced by the presence of equal number of protons in the nucleus of an atom and thus, the element is neutral in nature and possess no charge.

6 0
3 years ago
Explain why the elements of groups 1 and 7 are mostly used in<br> the form of compound
docker41 [41]
Group 1 and group 7 of element group consists of alkali metal, which are generally combined with other elements in nature, so they have properties of compound
8 0
3 years ago
What does this rising heat and resulting convection cycle do to our rigid lithosphere
Verdich [7]

Answer:

The movement of heat by convection in the asthenosphere causes the rock of the mantle to slowly move in huge streams. ... As the rock of the asthenosphere moves in different directions, it carries parts of the lithosphere along with it. The lithospheric rock can't stretch, so it breaks into pieces--forming the plates.

Explanation:

4 0
2 years ago
assuming the magnesium ribbon wasn't sufficiently polished to remove a coating of magnesium oxie on the surface. how would this
Ira Lisetskai [31]

The magnesium ribbon wasn't sufficiently polished to remove a coating of magnesium oxie on the surface. how would this affect the volume of hydrogen gas produced? would this error cause the gas constant to be overestimated, underestimated, or remain unaffected?

1. Since, the magnesium ribbon wasn’t sufficiently polished to remove a coating of magnesium oxide on surface, the actual mass of magnesium taken will be less (as it also contains magnesium oxide). Hence, the number of moles of magnesium reacted and the number of moles of hydrogen produced will be less.  Due to this, the volume of hydrogen gas produced will be less and the gas constant will be underestimated. R=\frac {PV}{nT} . Here n is calculated from weight of Mg taken but V is measured. Thus values of n will be same but the value of V will be lower. Hence, the value of R will be lower.

2. When droplets of water are remaining in the eudiometer tube, there volume will be added to the volume of hydrogen and the measured volume of hydrogen will be more than actual volume. Due to this, the value of the gas constant will be overestimated.

3. When small amount of hydrogen dissolves in water, the measured volume of hydrogen will be lower than the actual volume. This will underestimate the value of the gas constant.

4. When the temperature of the gas was underestimated, the value of the gas constant will be overestimated as the gas constant is inversely proportional to the temperature.            {PV}

                                                           R=

                                                                   {nT}.

Magnesium is a chemical detail with the symbol Mg and atomic number 12. it is a glittery gray solid which stocks many bodily and chemical residences with the alternative 5 alkaline earth metals (institution 2 of the periodic desk).

This element is produced in huge, growing old stars from the sequential addition of three helium nuclei to a carbon nucleus. whilst such stars explode as supernovas, a lot of the magnesium is expelled into the interstellar medium wherein it may recycle into new big name structures. Magnesium is the eighth maximum abundant element inside the Earth's crust and the fourth maximum not unusual detail in the Earth (after iron, oxygen and silicon), making up 13% of the planet's mass and a big fraction of the planet's mantle. it's miles the 0.33 maximum abundant detail dissolved in seawater, after sodium and chlorine.

Learn more about Magnesium here:-brainly.com/question/25860912

#SPJ4

8 0
1 year ago
What property of water makes it possible for water from the ground to travel all the way up to leaves in the tops of tall trees?
timurjin [86]

Answer:

cohesion-tension

Explanation:

i did the quiz.

7 0
3 years ago
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