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3 years ago

Do you know the three core principles of cell theory?

Chemistry

2 answers:

sammy [17]3 years ago

8 0

All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.

Naya [18.7K]3 years ago

7 0

Here you go Just found the answer off the website

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If you get the question right i will give brainliest (HINT ITS NOT A)

storchak [24]

Answer:

Explanation:

its b, i looked it up

5 0

3 years ago

What halogen can react with sodium chloride solution to produce chlorine?

ozzi

Answer:

As electro-negativity decreases from Florine to downwards in the group and only Florine is above Chlorine, so Florine should react with sodium chloride solution to produce chlorine.

mark me brinilylist pls

5 0

2 years ago

Which is an example of a covalent bond? Chlorine accepts an electron from calcium to form a stable bond. Ions in a bar of pure i

Ivenika [448]

Chlorine + Calcium --> Ionic Bond
Iron cannot covalently bond as it is a metal

4 0

3 years ago

Read 2 more answers

Element X has two isotopes. If 72.0% of the element has an isotope mass of 84.9 atomic mass units, and 28.0% of the element has

bija089 [108]

<h2>Answer:</h2>

Average atomic mass of an element is the sum of the masses of its isotopes each multiplied by its natural abundance

$\footnotesize \longrightarrow \: \rm Average \: atomic \: mass = \dfrac{ \sum\limits \: \% age \: of \: each \: isotope \times Atomic \: mass }{100} \\$

$\footnotesize \longrightarrow \: \rm Average \: atomic \: mass = \dfrac{ 72 \times84.9 + 28 \times 87 }{100} \\$

$\footnotesize \longrightarrow \: \rm Average \: atomic \: mass = \dfrac{ 6112.8 + 2436 }{100} \\$

$\footnotesize \longrightarrow \: \rm Average \: atomic \: mass = \dfrac{ 8548.8 }{100} \\$

$\footnotesize \longrightarrow \: \bf Average \: atomic \: mass = 85.488 \: amu \\$

8 0

2 years ago

Someone pls help me I will make you brain

Katena32 [7]

Answer:

it is actually b because i did this i picked b and got it right

Explanation:

4 0

3 years ago