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Veronika [31]
4 years ago
8

How can two atoms of the same chemical element be different?

Chemistry
1 answer:
suter [353]4 years ago
8 0

The answer is B as isotopes are different versions of the same chemical element containing the same amount of protons and electrons but different amounts of neutrons.

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Which bond is the most polar?
boyakko [2]

Answer:

a between c and o

Explanation:

♡´・ᴗ・`♡

6 0
2 years ago
What are the basic building blocks of proteins?
Anna11 [10]

Answer:

Amino Acids

Explanation:

What Are Proteins Made Of? The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain.

8 0
3 years ago
Arrange the following molecules in order of decreasing polarity of their bonds.
polet [3.4K]

Answer:

SF2 > H2O > PBr3 > NCl3

Explanation:

Compare the electronegativity values for the atoms and classify the nature of the bonding based on the electronegativity difference.

P has an electronegativity of 2.1, while Br has an electronegativity of 2.96. The difference is 0.86, indicating that these atoms will form covalent bonds.

S has an electronegativity of 2.58 while F has an electronegativity of 4.0. The difference is 1.42, indicating that these atoms will form polar covalent bonds.

O has an electronegativity of 3.5 while H has an electronegativity of 2.1. The difference is 1.4, indicating that these atoms will form polar covalent bonds.

N has an electronegativity of 3.04, whereas Cl has an electronegativity of 3.5. This difference of 0.46 indicates that these atoms will form covalent bonds.

We know that the greater the electronegativity, the higher the polarity. In decreasing order of polarity, we have:

SF2 > H2O > PBr3 > NCl3

7 0
3 years ago
Which bodies of water in the list are found to the west of the Philippines?​
bogdanovich [222]

Answer:

South China sea

Explanation:

To the west is the South China Sea, to the east the Philippine Sea and the Pacific Ocean, and to the south the Celebes Sea (or Sulawesi Sea).

3 0
3 years ago
Which element is best known for it's bad smell?
tia_tia [17]
The bad smelling element is Sulfur, which smells like rotting eggs.
5 0
3 years ago
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