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4 years ago

Which lists the elements in order from least conductive to most conductive?

Chemistry

2 answers:

TEA [102]4 years ago

6 0

Answer:

It's A) nitrogen (N), antimony (Sb), bismuth (Bi)

Explanation: Just got it from the test

AfilCa [17]4 years ago

5 0

nitrogen (N), antimony (Sb), bismuth (BI)

Explanation:

Electrical conductance increases from Nitrogen to antimony and then Bismuth. Electrical conductance increases with available free electrons.

The elements listed belongs to Group V on the periodic table.
Group V elements are Nitrogen, Phosphorus, Arsenic, Antimony, Bismuth.
As we go down the group, electrical conductance increases.
This is because the radius of the atom becomes larger and the pull on the outer electrons become very weak.
Outer electrons becomes free to facilitate electrical conductance.
We can also see that metallicity i.e electropositivity increases down the group.

Learn more:

Metallic bonds brainly.com/question/6071838

#learnwithBrainly

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Gold has a density of about 20.0g/mL this means that each milliliter has a mass of about __ grams.

qwelly [4]

Answer:

20.0 grams

Explanation:

If the density of gold is 20.0 g/mL, then we can multiply it by 1 mLto find the weight of 1 mL of gold.

20.0 $\frac{grams}{mL}$ *1mL=20.0 grams

8 0

4 years ago

Read 2 more answers

You could add aquous hydrochloric to the solution to precipitate out silver chloride. What volume of a 0.130 M aqueous hydrochlo

Mila [183]

1) Chemical reaction: AgNO₃ + HCl → AgCl + HNO₃.
V(AgNO₃) = 30,0 mL = 0,03 L.
c(AgNO₃) = 0,225 mol/L.
n(AgNO₃) = 0,03 L · 0,225 mol/L.
n(AgNO₃) = 0,00675 mol.
From chemical reaction: n(AgNO₃) : n(HCl) = 1 : 1.
0,00675 mol : n(HCl) = 1 : 1.
n(HCl) = 0,00675 mol.
V(HCl) = n(HCl) ÷ c(HCl).
V(HCl) = 0,00675 mol ÷ 0,130 mol/L.
V(HCl) = 0,0519 L = 51,92 ml.

2) 1) Chemical reaction: AgNO₃ + KCl → AgCl + KNO₃.
V(AgNO₃) = 30,0 mL = 0,03 L.
c(AgNO₃) = 0,225 mol/L.
n(AgNO₃) = 0,03 L · 0,225 mol/L.
n(AgNO₃) = 0,00675 mol.
From chemical reaction: n(AgNO₃) : n(KCl) = 1 : 1.
0,00675 mol : n(KCl) = 1 : 1.
n(KCl) = 0,00675 mol.
m(KCl) = n(KCl) · M(KCl).
m(KCl) = 0,00675 mol · 74,55 g/mol.
m(KCl) = 0,503 g.
n - amount of substance.
M - molar mass.

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3 years ago

Is a chemical reaction when put salt into fizzy drinks and why

fomenos

Um to my best knowledge I believe it is the carbonated water

7 0

3 years ago

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Potassium (k combines with magnesium bromide (mgbr2 to form potassium bromide (kbr and magnesium (mg during a single replacement

Agata [3.3K]

In balancing reactions, the number of atoms on each side should be of equal number. It is the most important rule in reactions. Also, we should know the correct substances involved in the reaction. We do as follows:

2K + MgBr2 = 2KBr + Mg

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3 years ago

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A 4.7g sample of ethanol is burned in a calorimeter containing 95.8 mL of water. If the initial temperature of the water is 29.1

Anna11 [10]

Answer:

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