Answer:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
Explanation:
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Answer:
10 moles
Explanation:
of moles = given mass /atomic mass = 280 g /28 g = 10 moles of Si atoms in 280g sample.
-A molecule consists of two or more atoms that are chemically joined together
Example of molecule: H2 (molecular hydrogen); it has two hydrogen atoms
-A compound IS a molecule that consists of two different types of elements
Example of compound: H2O (water); it has two hydrogen atoms and one oxygen atom
The correct answer is 3.
In any atom, the nucleus will be positively charged because the only ions in the nucleus are neutrons, which have a neutral charge, and protons, which have a positive charge.
Electrons are negatively charged, and they are in the orbital, thus making the orbital negatively charged.