CHEMISTRY MIDDLE SCHOOL

What is a chemical property

Answers

Answer 1
Answer: any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity.
Answer 2
Answer: Material's feature  that becomes visible in a chemical reaction.

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What is one biotic factor that limits the carrying capacity of any habitat

Answers

Biotic components are the living components of an ecosystem. The biotic factor that limits the carrying capacity of any habitat is activity of decomposers, i.e., option B.

What are decomposers?

The organisms that usually feed on dead and decaying organisms and whose digestion is external one are called as decomposers.

The bioticfactor that limits the carryingcapacity of any habitat is activity of decomposers.

Thus, the correct option is B.

For more details regarding decomposers, visit:

brainly.com/question/896544

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A scientist is observing onion cells and human cheek cells under a microscope.Which observation does she most likely make?

The onion cells have lysosomes, and the cheek cells do not.
The cheek cells have larger vacuoles than the onion cells.
The cheek cells have a nucleus, and the onion cells do not.
The onion cells have a cell wall, and the cheek cells do not.

Answers

The onion cells have a cell wall and the cheek cells do not

Answer:The onion cell have a cell wall and the cheeks do not

Explanation: I took the test and  I love the topic. Hope it helps!!!

The atoms in non metals tend to _____ electrons. Is it gain?

Answers

YES! good job
they do tend to gain electrons!
Non metals gain electrons

What types of atoms typically form covalent bonds?Metals with nonmetals, because their difference in electronegativity is above 1.7.
Metals with nonmetals, because their difference in electronegativity is below 1.7.
Nonmetals with nonmetals, because their difference in electronegativity is above 1.7.
Nonmetals with nonmetals, because their difference in electronegativity is below 1.7.
HELP!!!

Answers

Answer:

Nonmetals with nonmetals, because their difference in electronegativity is below 1.7.

Explanation:

Covalent bond is the bond which is formed with the sharing of the electrons between the two atoms which are taking part in the bond. It is generally formed between the atoms with similar electronegativity values.

It is the bond which is generally occurs within non metals as they share electrons to complete their octet.

The difference in the electronegativity values of the atoms involving in a covalent bond must not exceed the value of 1.7 .

Correct answer:- Nonmetals with nonmetals, because their difference in electronegativity is below 1.7.

Answer:

Nonmetals with nonmetals, because their difference in electronegativity is below 1.7.

Explanation:

The dude above got it right, and his explanation is sound, so instead of explaining, I can guarantee this is correct, because I took the 03.03 test.

Metals can be found____ the “staircase”in the periodic table. A. To the right of
B. To the left of
C. On
D. Above

Answers

Answer: B ≈ to the left of

Because the light rays never meet, a concave lens can produce

Answers

Answer:

Virtual images.

Hope this helps.
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