3 years ago

Which of the following experimental observations proved that the plum pudding model was flawed? (1 point)

1 answer:

4 0

Emest Rutherford proved that the plum pudding model was incorrect then he experimented by firing cathode rays at gold foil.

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How many atoms are in .47 moles of argon

lesantik [10]

Answer:

$\large \boxed {2.8 \times 10^{23}\text{ atoms Ar}}$

Explanation:

$\text{Atoms of Ar} = \text{0.47 mol Ar} \times \dfrac{ 6.022 \times 10^{23}\text{ atoms Ar}}{\text{1 mol Ar}}\\\\= \large \boxed {\mathbf{2.8 \times 10^{23}}\textbf{ atoms Ar}}$

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Rounded to the nearest whole number, how many neutrons, on average, are in an atom of osmium? 76 114 190 266

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Osmium has 114 neutrons on average

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Atoms and elements are examples of A. molecules. B. mixtures. C. compounds. D. pure substances.

UkoKoshka [18]

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atom are very tiny partical

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Which structures join with the cell’s membrane during exocytosis?

erma4kov [3.2K]

Answer:Exocytosis is also used to integrate new proteins into the cell membrane. In this process, the new protein is formed inside the cell, and migrates to phospholipid bilayer of the vesicle. The vesicle, containing the new protein as a part of the phospholipid bilayer, fuses with the cell membrane.

Explanation:

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A covalent bond formed when 2 atoms share 6 valence electrons between them is a ______ bond

sleet_krkn [62]

COVALENT BOND IS THE BOND EXISTING BETWEEN 2 ATOMS THAT SHARE 6 ELECTRONS

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