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77julia77 [94]
3 years ago
5

Who created the modern model of the solar system by discovering that the plantes move in elipses?

Chemistry
2 answers:
MArishka [77]3 years ago
7 0

The correct answer is b


RSB [31]3 years ago
6 0
Your answer is Kepler.
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Compare the state of plasma to the other states of matter
dmitriy555 [2]
Plasma is the most least form on Earth and we hardly use it but it is the most common in the universe because it is mostly loacted in space
4 0
4 years ago
You identify a molecule in a pizza that is a polymer; has oxygen, hydrogen, and sulfur atoms; and is hydrophilic. What kind of m
matrenka [14]

The kind of molecule in this pizza is a protein because it is a polymer, <u>hydrophilic</u>, and it's made up of oxygen, hydrogen, and sulfur atoms.

<h3>What is an amino acid?</h3>

An amino acid refers to a simple and organic chemical compound that consist of an acidic carboxyl group (COOH), a basic amino group (NH_2), and a unique side chain group.

<h3>What is a protein?</h3>

A protein can be defined as a <u>hydrophilic</u>, macromolecule (polymer) that is formed as a result of the union of many amino acids.

Generally, a protein contains the following chemical elements:

  • Oxygen (O) atoms
  • Hydrogen (H) atoms
  • Sulfur (S) atoms

In conclusion, the kind of molecule in this pizza is a protein because it is a polymer, <u>hydrophilic</u>, and it's made up of oxygen, hydrogen, and sulfur atoms.

Read more on protein here: brainly.com/question/19145247

4 0
2 years ago
Identify the best practices for writing
Bogdan [553]
• Gather facts and define key points and goals.

• Structure your tone and context for your audience.

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4 0
3 years ago
An ionic isotope has 49 protons, 50 electrons, and 55 neutrons.
bulgar [2K]

We have that

  • The Element with 49 protons is Indium

the isotope symbol in the one-line format

  • indium -104
  • We have that this is a cation

From the question we are told

An ionic isotope has 49 protons, 50 electrons, and 55 neutrons.

• What is the name of the element?

What is the isotope symbol in the one-line format (e.g., hydrogen-2)?

Is this a cation or is this an anion? Explain how you know.

Generally

Generally an isotope is an a variant form of a element bearing different number of Neutrons but same Proton

Therefore

For an isotope with 49 protons, 50 electrons, and 55 neutrons.

  • The Element with 49 protons is Indium

the isotope symbol in the one-line format

  • indium -104

  • We have that this is a cation

For more information on this visit

brainly.com/question/19922822?referrer=searchResults

6 0
3 years ago
Can you help me with number 29 ?
Anton [14]

Answer:

Electronegativities generally increase from left to right across a period

Therefore the answer is B.

4 0
2 years ago
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