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JulsSmile [24]
3 years ago
9

PLEASE HELP ILL GIVE BRAINIST!!!! Explain how atoms become molecules and how molecules become substances. Make it at least 3 sen

tences.
Chemistry
2 answers:
GarryVolchara [31]3 years ago
5 0
When two or more atoms chemically bond together, they form a molecule (O3). When atoms of at least two different elements come together to form chemical bonds, these molecules can be called compounds (NaCl). A pure substance consists of a single element or compound. For example, Iron is formed only of Iron (Fe) atoms; table salt is formed only by sodium chloride (NaCl) molecules.
liq [111]3 years ago
4 0

Answer:

When two or more atoms chemically bond together, they form a molecule. Sometimes the atoms are all from the same element. In a covalent bond, electrons are shared between atoms. In a molecule, atoms are held together by chemical bonds or intramolecular forces. Covalent bonds, ionic bonds and metallic bonds are examples of chemical bonds. A covalent bond exists between non-metal atoms. An ionic bond exists between non-metal and metal atoms and a metallic bond exists between metal atoms.

Explanation:

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What are pigments such as chlorophyll and carotene used for?; What are pigments used for in plants?; Why do plants need pigments
mash [69]

In regions of the electromagnetic spectrum where chlorophylls a and b are unable to absorb light, the plant can absorb light thanks to carotenoids and other auxiliary pigments.

<h3>What are pigments such as chlorophyll and carotene used for?</h3>
  • Carotenoids absorb energy from sunlight similarly to chlorophylls. To increase photosynthesis, they then transfer the energy to chlorophyll molecules.
  • Carotenoids function as antioxidants in all living organisms. The oxidation reactions that can harm cells can be slowed down by chemicals known as antioxidants.
  • Insects, birds, and other animals are drawn to pigments as visible cues for pollination and seed dissemination. Plants are also shielded by pigments from UV and visible light harm (Tanaka et al., 2008). The human diet includes many fruits that are high in pigment.
  • Chlorophyll and other pigments, which absorb the sun's rays to produce food for the organisms, are necessary for photosynthesis.

To Learn more About chlorophylls  refer To:

brainly.com/question/15608035

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3 0
1 year ago
A sample of the chiral molecule limonene is 79% enantiopure. what percentage of each enantiomer is present? what is the percent
Degger [83]

Answer :  The % of (+) limonene isomer = 79%


                The % of (-) limonene isomer = 0%


                The % of enantiomeric excess = 58%


Explanation :   Enantiomeric excess (ee) is the measurement of purity used for chiral substances.


Given,


% of pure limonene enantiomer = The % of (+) limonene isomer = 79%


Therefore, The % of (-) limonene isomer = 0%


Formula used :  

\%(+)\text{ isomer}=\frac{ee}{2}+50\%


Where,         ee → enantiomeric excess


Now, put all the values in above formula, we get the value of enantiomeric excess (ee).


     {ee}=\frac{\%(+)-50\%}{2}


            =\frac{79\%-50\%}{2}


              = 58%



7 0
3 years ago
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Lemur [1.5K]

Answer:

Heterogenous

Explanation:

Mud is a mixture of water and soil

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Answer:

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4 0
1 year ago
Wat substance cannot be separated physically or chemically?
Tresset [83]

Answer:

Anything that cannot be separated physically or chemically is an element.

5 0
3 years ago
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