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tankabanditka [31]
2 years ago
13

Which of these organisms reproduce through binary fission? (Select all that apply.)

Chemistry
1 answer:
tensa zangetsu [6.8K]2 years ago
7 0

Amoeba are those Organisms which reproduce through binary fission.

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The number of particles of 0.2<br> mole​
strojnjashka [21]

Answer:

There are 1.205x10²³ particles in 0.2 moles.

Explanation:

In order to <u>convert from moles to number of particles</u> we need to use <em>Avogadro's number</em>, which states the number of particles contained in 1 mol:

  • 0.2 mol * 6.023x10²³ particles /mol = 1.205x10²³ particles

Thus, there are 1.205x10²³ particles in 0.2 moles.

3 0
2 years ago
Which statement concerning elements is true?
Marina86 [1]
The answer is either number one or two.
7 0
2 years ago
#1: How are the elements arranged in the modern periodic table?
Alekssandra [29.7K]

1- The correct answer is C :


the elements arranged in the modern periodic table by increasing atomic number.


The explanation:


-The elements in the periodic table are arranged to increase the atomic number. All of these elements display several other trends and we can use the periodic law and table formation to predict their chemical, physical, and atomic properties.


2- The correct answer is C:


strontium, magnesium, calcium, beryllium are the elements which have similar properties.


The explanation:

-strontium, magnesium, calcium, beryllium, these belong to the alkaline earth metal group.

Because the outer electron structure in all of these elements is similar, they all have somewhat similar chemical and physical properties .

3- The correct answer is A :


Potassium


The explanation:


-The elements potassium and sodium have similar chemical properties because they have the same number of valence electrons and form +1 ions.



4- The correct answer is D


The explanation:


Mendeleev didn't include helium, neon, and argon in his periodic table because these elements had not yet been discovered.


5- The correct answer is B:


The periodic law describes trends seen across periods within the periodic table.


The explanation:


When the chemical elements are arranged, there is a pattern called the “periodic law” in their properties, in which elements in the same column (group) have similar properties


4 0
3 years ago
Read 2 more answers
Which describes a property of all elements?
Kaylis [27]
This would be c as for the amswer
3 0
2 years ago
Which is stronger ph4 or ph6
Temka [501]

Answer:

ph4 is stronger

Explanation:

4 is the only moderate

5 - 6 are weak acids

0 - 3 are strong

7 0
3 years ago
Read 2 more answers
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