Which activity is the best demonstration of J. J. Thomson’s use of creativity in his work?

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Answer 1

Answer: Through J.J. Thomson's creative mind, he proposed the "Plum Pudding Theory" which shows the scientific model of an atom wherein electrons are attached to the body of the atom as if it was like a raisin in a pudding. He also consolidates the properties of atoms at that time such as: electrons are negatively charge particles and and atom has neutral charge.

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Whiskers and beaks are two examples of _____. electroreceptors mechanoreceptors olfactory receptors photoreceptors

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Whiskers and beaks are two examples of _____. electroreceptors mechanoreceptors olfactory receptors photoreceptors

Whiskers and beaks are two examples of olfactory receptors. An olfactory receptor is a smell receptor that contains a protein capable of binding odor molecules that plays the central role of smell.

Answer:

its mechanoreceptors

Explanation:

mechanoreceptors react to pressure and distortion.

Which two substances are covalent compounds?(1) C6H12O6(s) and KI(s)
(2) C6H12O(s) and HCl(g)
(3) KI(s) and NaCl(s)
(4) NaCl(s) and HCl(g)

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Answer is: (2) C6H12O(s) and HCl(g).

Covalent bond is bond between nonmetals.

Carbon, hydrogen, chlorine and oxygen are nonmetals.

Hydrogen chloride (HCl) has polar covalent bond between hydrogen and chlorine.

Potassium iodide (KI) and sodium chloride (NaCl) are ionic compounds.

Ionic bond is the electrostatic attraction between oppositely charged ions (cations and anions).

Among the four options, option (2) C6H12O(s) and HCl(g) represent covalent compounds as they consist only of nonmetals.

The question asks which of the given sets of substances are covalent compounds. Covalent compounds are formed when two nonmetals combine. By looking at the given options, option (2) C6H12O(s) and HCl(g) correspond to covalent compounds. C6H12O(s) is glucose, a sugar composed of carbon (C), hydrogen (H), and oxygen (O) - all nonmetals. Likewise, HCl(g) is hydrochloric acid, composed of hydrogen (H), a nonmetal, and Chlorine (Cl), another nonmetal. The other options include substances like KI and NaCl which are ionic compounds, not covalent, because they are formed from a metal and nonmetal.

Learn more about Covalent Compounds here:

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Quick chem question!

I’ll mark BRAINLIEST!!!!! :)

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What is the question

What type of intermolecular force is CO3

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Answer:

uututtuuturutururyrurrururuur

What is the best way to study for a test/quiz

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Answer:

the beat way i use is to have someone quiz you on what your studying for, and anything you het wrong you work on more.

How many molecules are there in 79g of Fe2O3? how many atoms is thi

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Molar masses:
$m_(Fe) = 56g/mol\nm_(O) = 16g/mol\n\n\therefore m_{Fe_(2)O_(3)} = 2 \cdot (56)+3 \cdot (16) = 112+48 = 160g/mol$

So:

$1mol \ Fe_(2)O_(3) = 160g = 6 \cdot 10^(23)molecules$

160g ---------- 6·10²³molecules
79g ---------- x

x = 2.9625·10²³ molecules

1molecule = 5 atoms
2.9625·10²³ molecules = 2.9625·10²³·5 = 14.8125·10²³ atoms

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