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LekaFEV [45]
3 years ago
5

How can you describe energy? ( make it understandable )

Chemistry
1 answer:
Rus_ich [418]3 years ago
7 0
Energy is little Electric molecules in the air when a negative charge and a positive charge touch that makes
Energy
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A trait is a ____________ or feature, such as ____ eyes and ________ hair.
AlekseyPX
Characteristic blue eyes and blond hair?
5 0
3 years ago
Read 2 more answers
Minerals with the silicon-oxygen structure shown in Figure 2-1 are classified into what group?
Snowcat [4.5K]

Answer : Option D) Silicates.

Explanation : The minerals with the silicon-oxygen structures are classified as silicates.

As per the definition, A silicate is any member of a family which has anions consisting of silicon and oxygen, usually they have the general formula as [SiO].

It usually has a structure which has a central silicon ion which has a charge of (+4) while each oxygen has a charge of negative two (-2) and thus each silicon-oxygen bond is equal to one half (1/2) of the total bond energy of oxygen. Therefore, it confirms that the answer is Silicates.

3 0
3 years ago
All atoms of an element have the same number of ________. electrons neutrons protons protons plus neutrons
Cloud [144]

Answer:

protons

Explanation:

An element, by definition, always has the same number of protons.  Sodium, element 11, has 11 protons.  Anything with 11 protons is a sodium atom, regardless of the number of neutrons, electrons, or politicians.  

6 0
3 years ago
HURRY NEED NOW! Calcium has a charge of +2. The chart lists the charges of different ions.
cupoosta [38]

Answer:

CaO, CaF2, or CaCl2

Explanation:

In an ionic compound, the charges need to balance out. This is the only set of compounds that fits this criteria.

7 0
3 years ago
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Label the signals due to ha, hb, and hc in the 1h nmr spectra.
trapecia [35]
Structure along with ¹H-NMR is shown below.

Signal for Hₐ;
                     Based on multiplicity of of the peak, a Singlet peak (the only singlet peak present in spectrum) at 2.2 ppm was assigned to Hₐ. As the methyl group in not coupling with any other proton so it gave a singlet peak.

Signal for Hb;
                     Based on multiplicity of of the peak, a Quartet peak (the only quartet peak present in spectrum) at 2.4 ppm was assigned to Hb. As the methylene group in coupling with methyl group having three protons so it gave a Quartet peak.

Signal for Hc;
                     Based on multiplicity of of the peak, a Triplet peak (the only triplet peak present in spectrum) at 1.1 ppm was assigned to Hc. As the methyle group in coupling with methylene group having two protons so it gave a Triplet peak.

3 0
4 years ago
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