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2 years ago

In the 1800s two scientists, Theodor Schwann and Matthias Schleiden, studied different types

Chemistry

1 answer:

juin [17]2 years ago

6 0

The correct answer is C. Living things are composed of cells.

Explanation:

A conclusion is an idea derived from information, this idea or statement often summarizes the information or indicates the result of this. In the case of the studies by Schwann and Schleiden, these two focused on living organisms. Moreover, in both studies, the researchers found different living organisms were composed of basic life units known as cells.

In this context, one idea that derives from the findings of the two studies is "Living things are composed of cells". Also, this conclusion is now part of modern cell theory because the basic unit of life is the cell and cells can be found in all living organisms despite the type of organism (animal, plant, fungi,etc.)

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What’s the distance from the nucleus of an atom to its theoretical outer edge of electron orbits

ollegr [7]

Answer:

The range of atoms = (30-300 pm) depending upon the element

Explanation:

The Atomic radii of the atom is the distance from the center of the circle to the outermost orbital.

The center of the circle is the nucleus and the radii is the outermost boundary.

The actual size of the atom is decided on the basis of the Zeff . Also known as effective nuclear charge.

Zeff: It is the net positive charge felt by the outermost electron by the nucleus.

The value of Zeff depends upon the shielding constant. More the shielding less will be the Zeff . Hence the size of the atom increases.

Due to shielding the outermost electrons feel less pull of nucleus.

The greater the Zeff , the smaller the radius of the atom.

The formula used to calculate the atomic mass is :

$r_{n}=\frac{52.9n^{2}}{Z}$ pm

Here "pm"= picometers

$1 pm = 10^{-12}m$

The size of the smallest atom H-atom = 120 pm

The range of atoms = (30-300 pm)

4 0

2 years ago

Think of a resource and predict What happens to the resource when competition for it increases

MatroZZZ [7]

Lets say foxes hunt rabbits. If their are too many foxes then they will compete for the rabbits. The rabbits get outnumbered by the amount of foxes so the foxes kill all the rabbits and the rabbits could eventually go extinct.

3 0

2 years ago

Measure out 2.87 moles of sodium chloride (Nacl) into a clean dry cup.

Anettt [7]

Answer: weigh is m = n × M = 2.87 mol × 58.44 g/mol

Explanation: mass = amount of substance × molar mass

M((NaCl) = 22.99 +35.45

6 0

2 years ago

What is the total number of atoms in ammonium hydroxide? I will give Brainliest! :)

Karo-lina-s [1.5K]

Answer:Ammonia is a compound that contains one nitrogen atom and three hydrogen atoms. Ordinarily having a characteristic of a pungent and gaseous compound.

Elemet: Hydrogen, Symbol: H, # of Atoms:5

Elemet:Nitrogen, Symbol: N, # of Atoms:1

Elemet:Oxygen, Symbol: O, #of Atoms:1

Explanation:

6 0

2 years ago

Which statement is true?

algol [13]

The statement that is true is that B. Atoms always remain intact during chemical reactions.

Atoms simply mean the basic units of matter. They're the defining structure of an element. Atom is also known as the smallest unit of matter.

It should be noted that atoms always remain intact during chemical reactions. They cannot be added and removed when there are chemical reactions.

Read related link on:

brainly.com/question/19338615

3 0

2 years ago

Read 2 more answers