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4 years ago

Chlorine forms the chloride ion to bond with many metals. To become a chloride ion with a -1 charge, a chlorine atom must

Physics

1 answer:

Softa [21]4 years ago

3 0

C) gain one electron.

Explanation:

A chloride ion forms when a chlorine atom gains an electron. An atom is made up of three fundamental particles which are:

Protons which are the positively charged particles in an atom.
Electrons which are the negatively charged particles in an atom.
Neutrons do not carry any charges.

In a neutral atom, the number of protons and electrons are the same.

For an atom to become charged, it must gain or lose electrons.

When an atom gains electrons, the number of protons is less than the number of electrons and it is negatively charged. Such an atom is called an anion.
When an atom loses electrons, the number of protons is more and it becomes positively charged. Such an atom is called a cation.

A chlorine atom that has gained an electron is an anion. It is negatively charged.

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Luden [163]

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3 years ago

A rocket with a mass of 62,000 kg (including fuel) is burning fuel at the rate of 150 kg/s and the speed of the exhaust gases is

mezya [45]

Answer:

h≅ 58 m

Explanation:

GIVEN:

mass of rocket M= 62,000 kg

fuel consumption rate = 150 kg/s

velocity of exhaust gases v= 6000 m/s

Now thrust = rate of fuel consumption×velocity of exhaust gases

=6000 × 150 = 900000 N

now to need calculate time t = amount of fuel consumed÷ rate

= 744/150= 4.96 sec

applying newton's law

M×a= thrust - Mg

62000 a=900000- 62000×9.8

acceleration a= 4.71 m/s^2

its height after 744 kg of its total fuel load has been consumed

$h= \frac{1}{2}at^2$

$h= \frac{1}{2}4.71\times4.96^2$

h= 58.012 m

h≅ 58 m

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4 years ago

You are standing 1 meter from a squawking parrot. If you move to a distance three meters away, the sound

spayn [35]

Use the inverse square law, thus if you move a distance of 3m away, the sound intensity decrease by 1/3^2= 1/9

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4 years ago

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A 0.0223 m diameter coin rolls up a 12.0◦ inclined plane. The coin starts with an initial angular speed of 49.3 rad/s and rolls

zlopas [31]

Answer:

$h = 0.0231 m$

Explanation:

The movement of the coin is modelled after the Principle of Energy Conservation. The kinetic energy of the coin is the sum of the components associated with translation and rotation and there are no non-conservative forces. In addition, the coin starts moving at height of zero

$K_{rot} + K_{tr} = U_{g}$