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jolli1 [7]
3 years ago
13

What PROPERTIES of elements visibly show periodic trends when their values are graphed?

Chemistry
1 answer:
Scrat [10]3 years ago
3 0
I believe the major periodic trends include; electronegativity, ionization energy, electron affinity, atomic radius, melting point, and the metallic character. Periodic trends, arising from the arrangement of the periodic table, provide chemists with an invaluable tool to quickly predict an element's property.
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PLEASE HELP ASAP
erma4kov [3.2K]

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6 0
3 years ago
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damaskus [11]
Mostly in my opinion I think it’s the secound one
8 0
3 years ago
a sample of ammonia liberates 5.66 kj of heat as it solidifies at its melting point . what is the mass of the sample?
Reil [10]
The correct answer for the question that is being presented above is this one: "<span>16.728 g."</span>

Given that 
ΔHsolid = -5.66 kJ/mol.
This means that 5.66 kJ of heat is released when 1 mole of NH3 solidifies 

When 5.57 kJ of heat is released
amount of NH3 solidifies = 5.57/5.66 = 0.984 moles 

<span>molar mass of NH3 = 17 g/mole </span>
<span>1 mole of NH3 = 17 g </span>
So, 0.984 moles of NH3 = 17 X 0.984 = 16.728 g
7 0
3 years ago
____________ and _____________ are in all silicate minerals.
alina1380 [7]
I think it is B silicon and iron.
5 0
3 years ago
Lab Report
Mariulka [41]

Answer:

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Explanation:

you just got rickrolled.

3 0
2 years ago
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