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cluponka [151]
3 years ago
6

Which term should replace the question mark?

Chemistry
1 answer:
ruslelena [56]3 years ago
5 0
Where are the terms ? I don’t know how to replace the question mark with a term if there didn’t any terms to decide from
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The following equation is an example of a ______________ reaction. 2 NaCl + F2 → 2 NaF + Cl2 ???
olga55 [171]

Answer:

double replacement is the answer

3 0
3 years ago
Calculate the percent activity of the radioactive isotope strontium-89 remaining after 5 half-lives.
maria [59]
The answer to this question would be: 3.125%

Half-life is the time needed for a radioactive molecule to decay half of its mass. In this case, the strontium-89 is already gone past 5 half lives. Then, the percentage of the mass left after 5 half-lives should be:
100%*(1/2^5)= 100%/32=3..125%
5 0
3 years ago
if the central atom in a molecule is sp3 hybridized, how many different electronic geometries can it have?
jekas [21]

Tetrahedral molecular geometry is the only one that can exist for sp3 hybridized center atoms.

<h3>Which chemical contains an sp3 hybridized central atom?</h3>
  • An atom that is bound and a nonponding pair of electrons are the two different kinds of electron domains.All bonded atoms count as one electron domain on the center atom, regardless of whether they are connected by a single, double, or triple bond.
  • There are five fundamental geometries for electron domains. The core oxygen atom in the water molecule has six valence electrons.The 6 valence electrons of oxygen are arranged in hybridized sp3 orbitals, resulting in 2 paired and 2 free electrons.
  • One s orbital and three p orbitals combine to generate four sp3 orbitals, each of which has a 25% s character and a 75% p character. This process is known as sp3 hybridization.
  • An example of CO2 can be used to illustrate how lone pairs of electrons make up an SP3 hybrid orbital.We are only able to count bond pairs or lone bonds.

To learn more about sp3 refer

brainly.com/question/28359475

#SPJ4

6 0
1 year ago
What is the answer please
lorasvet [3.4K]

Answer:

1 is

   carbon dioxide co2

Explanation:

4 0
3 years ago
Which statement about the periodic table is true?
Rom4ik [11]

Answer:

that shares everything ig

Explanation:

3 0
3 years ago
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