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NaCl (Salt)

Authored by Daniel Stalker

Chemistry

12th Grade

Used 5+ times

NaCl (Salt)
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What Bond occurs between Na+ and Cl- to make Salt

Covalent

Ionic

Metallic

Non Polar

Answer explanation

since the Electronegativity

of the ions is greater than 1.8 it creates a ionic bond with each ion having a slight + or -

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What Is the Melting Point of NaCl (Salt)

801C

1074.15K

500C

-273C

Answer explanation

Since Ionic Bonds are quite strong the melting point of the Compound will be quite high.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What Is its Molecular Structure Like

Na Attached to Cl in a cube like formation

Na And Cl ions floating around

Na And Cl Combined in a circular Shape

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On the Moh Scale of hardness What is Salt (Diamond is a 10 for reference and Gold is a 2.5)

2

5

6.7

8

Answer explanation

Salt is a 2 in the Moh scale and comparing to something like diamond wich is a 10 and really hard so salt is more like a softer material in a sense

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Whats Salts Luster Like

Salt Is Like Glass in appearance and Physical Properties

Dull

Salt Is Like metal in appearance and Physical Properties

Answer explanation

Salts luster is vitreous meaning its appearance is almost like glass andits physical properties are also similar

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tensile strength of NaCl MPA (pounds of force per square inc)

14.22mpa

210mpa

1.65mpa

Answer explanation

So for salt it's 1.65 mpa but to explain that better its the amount of force in the unit of pounds per square inch of material so for salt it's max is 1.65 pounds of force per square inch before it fails so comparing to copper something with 210 mpa it is alot more fragile then a metal such as copper

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the Solubility of salt

Will dissolve in water and break up into its ions

Wont dissolve in water and Wont break up into its ions

It Just sits there

Answer explanation

NaCl will dissolve in water (H2O) and will break apart into its ions of Na+ and Cl-

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