3 years ago

HELP PLSSSSSSSSSS lithium has three protons. which model shows a neutral atom of lithium?

Physics

2 answers:

wolverine [178]3 years ago

5 0

Answer:

Explanation:

the 3 electrons makes it neutral

bekas [8.4K]3 years ago

5 0

Answer:

Explanation:

For neutral atoms, the number of protons equal the number of electrons.

Thus, a neutral atom of lithium will have 3 electrons outside the nucleus.

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The rectangular plates in a parallel-plate capacitor are 0.063 m x 5.4 m. A distance of 3.5 x 10^-5m separate the plates. The pl

Aleks04 [339]

The capacitance of the capacitor is $1.8\cdot 10^{-9}F$

Explanation:

The capacitance of a parallel-plate capacitor is given by the equation

$C=\frac{k\epsilon_0 A}{d}$

where

k is the dielectric constant of the medium

$\epsilon_0 = 8.85\cdot 10^{-12} F/m$ is the vacuum permittivity

A is the area of the plates

d is the separation between the plates

For the capacitor in this problem, we have:

k = 2.1 is the dielectric constant

$d=3.5\cdot 10^{-5}m$ is the separation between the plates

$A=0.063m \cdot 0.054m = 0.0034 m^2$ (I assumed that 5.4 m is a typo, since it is not a realistic size for the side of the plate)

Therefore, the capacitance of the capacitor is

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Learn more about capacitors:

brainly.com/question/10427437

brainly.com/question/8892837

brainly.com/question/9617400

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3 years ago