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saw5 [17]
3 years ago
12

Helpmeh on this question

Chemistry
2 answers:
zepelin [54]3 years ago
8 0

Answer:

E. Metallic bonds form because electrons can move freely among the metal atoms.

Explanation:

Your fourth image states that the valence electrons of a metal <em>move freely among the neighbouring metal atoms</em>.

A. is wrong because both your second and fourth images tell you that when atoms form metallic bonds they <em>neither gain nor lose electron</em>s.

B. is wrong because a metal <em>does not contain anions</em>.

C. is wrong because only metals form metallic bonds. A metal reacts with a nonmetal to form an <em>ionic bond</em>.

D. is wrong because an alloy of <em>two different metals can form metallic bonds</em>. For example, brass is an alloy of Cu and Zn. Its atoms form metallic bonds.  

jolli1 [7]3 years ago
6 0

The answer would be B imo

C and E are wrong right off the bat.

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liberstina [14]
In dilution we add distilled water to decrease the concentration of required sample from high concentration to lower concentration
The law used for dilution:
M₁V₁]Before dilution = M₂V₂] After dilution
M₁ = 1.5 M
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M₂ = 0.3 M
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1.5 * V₁ = 0.3 * 500 ml
so V₁ = 100 ml and it completed to 500 ml using 400 ml deionized water
8 0
3 years ago
What is the volume of 300. g of mercury vapor at 822K and 0.900 atm?
Dominik [7]

Answer:

112.2L

Explanation:

Volume (V) = 300g

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using the ideal gas equation;

PV = nRT\\\\ V = \frac{nRT}{P}

Molar gas constant (R) = 0.0821L.atm/mol.K

Mole (n) = \frac{Mass (m)}{Molar mass (M)}                Molar mass of Mercury  = 200.59g/mol

n = \frac{300g}{200.59 g/mol} \\

   = 1.496mol

Now, the volume can be calculated;

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8 0
2 years ago
11) Which group of Elements have Similar chemical Properties? *
Kryger [21]
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6 0
3 years ago
What is the kinetic energy of a 100-kg object that is moving with a speed of 12.5 m/s?
miss Akunina [59]
Becasue KE= 1/2 mv squared

KE= 1/2 (100) 12.5 sqaured 
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                     7812.5 < is your answer 

Hopefully that makes sense and i did the math right.... 
8 0
3 years ago
Read 2 more answers
How to answer this ?
tamaranim1 [39]

Answer:

as follow

Explanation:

2

a acceptor

b Donor electron

3

A. MgBr2 B. Na2O

C. HCl D. AlCl3

E. K3N F. CaS

* the number is under the charactor/atoms

4 0
3 years ago
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