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Gnoma [55]
3 years ago
14

A compound is made up of at least

Chemistry
1 answer:
solmaris [256]3 years ago
5 0
Two or more different elements
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How much heat is required to increase the temperature of 198.5 grams of water from 25.0
velikii [3]

5.27*10^4 (52,700.)

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4 years ago
En que flota el osmio
Valentin [98]
Translate to english
6 0
3 years ago
Draw the lewis structure for so42-. How many equivalent resonance structures can be drawn?
Elena-2011 [213]

Answer : The Lewis-dot structure and resonating structure of SO_4^{2-} is shown below.

Explanation :

Resonance structure : Resonance structure is an alternating method or way of drawing a Lewis-dot structure for a compound.

Resonance structure is defined as any of two or more possible structures of the compound. These structures have the identical geometry but have different arrangements of the paired electrons. Thus, we can say that the resonating structure are just the way of representing the same molecule.

First we have to determine the Lewis-dot structure of SO_4^{2-}.

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

The given molecule is, SO_4^{2-}

As we know that sulfur and oxygen has '6' valence electrons.

Therefore, the total number of valence electrons in SO_4^{2-} = 6 + 4(6) + 2 = 32

According to Lewis-dot structure, there are 12 number of bonding electrons and 20 number of non-bonding electrons.

Hence, the Lewis-dot structure and resonating structure of SO_4^{2-} is shown below.

8 0
3 years ago
What can the student predict if she finds the mass of the whole candy bar, including the wrapper?
Vesna [10]

Answer:

A student can predict Amount of calories present if she finds the mass of whole candy bar,including the wrapper.

<u>Explanation:</u>

Based on the mass of a whole candy bar a student can predict the calories contained in the candy bar. If the mass of candy bar is more than it means it has more calories and if the candy bar has less mass than it shows the presence of fewer calories.

More calories mean more sugar content in the candy bar. With sugar, the candy bar has carbohydrates also. The sugar present in the bar gives us energy.

6 0
3 years ago
24. How many electrons can each p orbital hold?
Dennis_Churaev [7]

Answer: Each p orbital can hold 6 electrons.

Explanation: The p sublevel has 3 orbitals, so it can contain a maximum of 6 electrons.

7 0
3 years ago
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