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3 years ago

Use the Periodic Table to determine the shape of the molecule represented by the following formulas.

Chemistry

1 answer:

neonofarm [45]3 years ago

3 0

Answer:

the answer is tetahedal and the next one is trigonal pyramidal

Explanation:

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Periodic Table refers to the fact that elements are arranged such that

Elenna [48]

Answer:

they have increasing atomic number either u go left to right across a leriod or go down a group

5 0

3 years ago

For which of the following elements (in their normal, stable, forms) would it be correct to describe the bonding as involving a

Dvinal [7]

Answer: The correct option is e.

Explanation: In the given question it is asked to tell the element which has 'Sea of electrons' while bonding.

This means that the element should have extra electrons so that it can bond easily or this also means which element can easily donate its electron to form a bond.

Electronic configuration of Hydrogen = $1s^1$

Hydrogen cannot loose electrons easily because the electron is present in 1s sub-shell which is the closest to the nucleus and hence will be tightly bonded to it.

Electronic configuration of Helium = $1s^2$

This element will not loose electrons easily because the 1s sub-shell is fully filled and hence will not be available for bonding.

Electronic configuration of Sulfur = $3s^23p^4$

This element lacks 2 electrons from attaining stable configurations. Hence, it will gain 2 electrons rather than donating for bonding.

Electronic configuration of Iodine = $5s^25p^5$

This element lacks 1 electron to attain stable configuration. Hence, it will gain 1 electron rather than donating for bonding.

Electronic configuration of Lithium = $1s^22s^1$

This element has an extra electron in its valence shell and can be easily lost in order to form bond.

Hence, the correct option is e.

4 0

4 years ago

Why do you think people cannot drink seawater?

Oksanka [162]

Answer:

Its contaminated

Explanation:

5 0

3 years ago

1. Radioisotopes are often used in:

rusak2 [61]

1. Radio isotopes are used in all the industries mentioned above, that is, nuclear power plants, pharmacology and agricultural studies. So the correct option is D.
2. The statement is true. Radio isotope is used in medicine mostly as a diagnostic tool to diagnose illnesses.
3. Nuclear wastes are enclosed in lead and buried in cement casks deep underground so that the lead, cement and the earth cover will act as radiation shield. The correct option is B.
4.This statement is false. The US has 75 different radioactive storage locations across USA.
5. This statement is false. Radioactive contamination can enter the body through inhalation, ingestion, absorption and through contact with skin or clothing materials.
6. The statement is false. Uranium fuel is not burned, it undergoes fission process.
7. This statement is true. This is because nuclear power production has less green house effects compare to fossils fuels.
8. This statement is false. Nuclear energy is not renewable and it pollutes the environment.
9. Nuclear power plants are favoured because the power produce by them are more reliable source of energy which does not deplete the ozone layer.

8 0

4 years ago

State the maximum number of electrons for each of the following: (6 marks)

jarptica [38.1K]

S: 2 e-
p: 6 e-
d: 10 e-
f: 14 e-

6 0

3 years ago