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Allisa [31]
3 years ago
6

1 point

Chemistry
1 answer:
Genrish500 [490]3 years ago
5 0
With an electronegativity of 0.89, Barium requires the least amount of energy to remove its valence electrons.
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ivann1987 [24]
Noble gases.
group 18. elements that are all unreactive .
fixed naming!
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What causes the "heat island" effect?
Arada [10]
D all of the above answers are correct
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2 years ago
A section of the periodic table is shown below: A portion of two rows of the periodic table is shown. The first row reads two he
cluponka [151]

 The statement  which is true  is

Fluorine  is more reactive  than nitrogen because fluorine  needs  only  one electron to fill  its  outermost  shell.


     <u><em>Explanation</em></u>

Fluorine  has  electron configuration  of 1S²2S²2P⁵  while nitrogen  has 1S²2S²2P³  electron configuration.

The 2P sub shell  for nitrogen   is  half filled  therefore it is sable  than fluorine.

since  p orbital  can hold a maximum  of  6  electrons ,Fluorine  requires  1 electron  to  completely fill  it's 2P  sub shell  which make it    more  reactive than nitrogen.



7 0
3 years ago
How many carbon atoms would be in the compound named chlorobenzene
kondaur [170]

chlorobenzene
Carbon - 6
Hydrogen - 5
Chlorine - 1

that 1 chlorine replaces one of the hydrogens
thats why hydrogen number decreases by number of Cl atoms (that are substituting those H atoms)
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3 years ago
What is the molar concentration (molarity) of 1.0 mol of KCl dissolved in 750 mL of
Nikolay [14]

Answer:

Molarity is moles per liter. You have one mole in 0.750 liters

Explanation:

8 0
3 years ago
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