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3 years ago

Which molecule has a tetrahedral arrangement of electron pairs but is not tetrahedral molecule

Chemistry

2 answers:

raketka [301]3 years ago

8 0

methane

Which molecule has a tetrahedral arrangement of electron pairs but is not a tetrahedral molecule? methane

Alex73 [517]3 years ago

7 0

Ur-Mo-M! HBAHHAHAVHSHS

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The atomic number is determined only by the number of ________ in the nucleus of an atom. But, in a neutral atom it also represe

sveticcg [70]

Hello!

The atomic number is determined only by the number of protons in the nucleus of an atom. But, in a neutral atom it also represents the number of electrons in the electron cloud.

Neutrons are only important in the nucleus for helping us find atomic weight, which varies as we move along the perodic table and does not always equal the same amount of it's atomic number. Which is why it would not be a suitable answer for the first blank space. Electrons do not work either as they do not exist inside the nucleus but rather outside the atom.

The second space, since it states is in the electron cloud, we can deduct that electrons would be an appropriate answer there.

If you need anymore help feel free to ask, but I hope this answers your question.

5 0

3 years ago

The range in size of most atomic radii is approximately what?

Nastasia [14]

It is approximately 10 ^ -10

3 0

3 years ago

Solve the question that follows using the equation for the conversion of Celsius to Fahrenheit. F=95(C)+32 On February 9, 1934,

ahrayia [7]

Answer:

Buffalo, NY was colder on February 9, 1934

Explanation:

Temperature is the measure of thermal energy present in a given substance. It is a physical property of a matter which can be measured on the Celsius scale (°C), Fahrenheit scale (°F), and Kelvin scale (K).

To convert Celsius (°C) to Fahrenheit (°F), we use the equation:

°F = 9/5 (°C) + 32

Given: On February 9, 1934,

Temperature in Buffalo, NY: T₁ = (- 29) °C

Temperature in Anchorage, AL: T₂ = 19 °F

To convert T₁ from °C to °F:

9/5 (- 29 °C) + 32 = (- 52.2) + 32 = (- 20.2) °F

So,

Temperature in Buffalo, NY: T₁ = (- 20.2) °F

Temperature in Anchorage, AL: T₂ = 19 °F

⇒ T₁ < T₂

Therefore, Buffalo, NY was colder on February 9, 1934.

4 0

3 years ago

Baking soda and vinegar can be used to model a volcanic eruption in a science demonstration because they bubble violently when m

julia-pushkina [17]

Vinegar and baking soda react to form a new gaseous substance.

The reaction between Vinegar and baking soda has been one of the most common examples of Chemical Reaction.

4 0

3 years ago

Read 2 more answers

Convert these temperatures to Celsius: a. 303 K d. 45 K

andre [41]

303K − 273.15 = 29.85°C

45K − 273.15 = -228.1°C

8 0

2 years ago