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Mila [183]
3 years ago
10

Rank the elements according to their metallic character.

Chemistry
1 answer:
Vika [28.1K]3 years ago
7 0

Answer: most metallic Bi > Sb >As >P least metallic

Explanation:

Elements in same column of periodic table increase in metallic characters as you move down the periodic table

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Lost one extensive and one intensive property of a marker ink
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An extensive property is a property that deals with the amount of a substance. An extensive property of marker ink would be the volume of the ink in the pen. An intensive property is a property about the type of substance you're looking at. So, an intensive property of marker ink would be the color of the ink.
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3 years ago
Calculate the number of atoms present in each following 2 mol fe
Nezavi [6.7K]
Hope this helps you.

7 0
3 years ago
Q- 30. The number of grams of solute
pochemuha

Answer:

Mass by mass

Explanation:

Because it's telling only about mass in grams

6 0
3 years ago
Determine the oxidation number for nitrogenin
iris [78.8K]

Answer:

1(a) N = 3

(b) N = 0

(c) N = 5

(d) N = -2

(2) Molecular formula for benzene is C6H6

Explanation:

1(a) N02 1-

N + (2×-2) = -1

N-4 = -1

N = -1+4 = 3

(b) N2

2(N) = 0

N = 0/2 = 0

(c) NO2Cl

N + ( 2×-2) + (-1) = 0

N - 4 - 1 = 0

N - 5 = 0

N = 0+5 = 5

(d) N2H4

2(N) + (4×1) = 0

2N + 4 = 0

2N = 0 - 4 = -4

N = -4/2 = -2

(2) Molcular mass of benzene = 78g/mole = (6×12g of carbon) + (6×1g of hydrogen) = 72+6 = 78g/mole

Therefore, molecular formula for benzene is C6H6

7 0
3 years ago
What is the molar ratio for the following equation after it has been properly balanced?
slava [35]
The answer 
<span>the molar ratio for the following equation 
____C3H8 + ____O2 Imported Asset ____CO2 + ____ H2O

</span>after it has been properly balanced:
__1_C3H8 + ____5O2 Imported Asset ____3CO2 + ____ 4H2O

proof:
number of C =3  (C3H8;   3CO2)
number of H =8 (C3H8 ; 4H2O)
number of O = 10(5x2) or (2x3+4)  (5O2;4H2O)

the answer is 
<span>Reactants: C3H8 = 1, O2 = 8; Products: CO2 = 3 and H2O = 4</span>
4 0
3 years ago
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