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bija089 [108]
3 years ago
12

Why is carbon considered tetravalent?

Chemistry
1 answer:
Rudik [331]3 years ago
5 0
Because it has 4 electrons in outermost shell.
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Organize the following species in terms
ser-zykov [4K]

Explanation:

  1. F Cl Br
  • ionization energy decreases we move down the group
  • so Br<Cl<F

2. Na K Li

  • ionization energy decreases we move down the group
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3. C N O F

  • ionization energy increases as we move across the peroid
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plz mark as brainliest if it helps

6 0
3 years ago
Which type of intermolecular attractive force operates between (part A) all molecules, (part B) polar molecules, (part C) the hy
nydimaria [60]

Answer:

PART A: The LDF occurs between all molecules. Dispersion forces result from shifting electron clouds, which cause weak, temporary dipole.

PART B: Dipole dipole operates only between polar molecules. This is when two polar molecules get near each other and the positively charged portion of the molecule is attracted to the negatively charged portion of another molecule.

PART C: Dipole dipole and in some cases hydrogen bonding operate between the hydrogen atom of a polar bond and a nearby small electronegative atom. Only if the atom bonded to it were F, O or N it would be hydrogen bonding. Otherwise it is dipole dipole.

3 0
3 years ago
The age of fossils can sometimes be determined by radiometric dating, which is based on the constant rate of decay of radioactiv
True [87]
The age of the fossil given the present amount of Carbon-14 is given in the equation,
                               A(t) = A(o)(0.5)^t/h
where A(t) is the current amount, A(o) is the initial amount, t is time and h is the half-life. Substituting the known values to the equation,
                       A(t) / A(o) = 0.125 = (0.5)^(t/5730)
The value of t from the equation is 17190.
Thus, the age of the fossil is mostly likely to be 17190 years old. 
8 0
3 years ago
What is the least informative property of a mineral
Scrat [10]
All of them are important to identify a mineral and get information from it, but I'd say the least important is cleavage.
6 0
3 years ago
How many electron pairs are shared by an oxygen molecule?​
Lana71 [14]

Two electron pairs is the answer

6 0
3 years ago
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