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Atoms and Atomic Structure

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Aglae Pacocha

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Cards in this guide (9)
What is pressure

Pressure is the amount of force pressing on something. Air pressure is the force with which air presses. The force comes from the bombardment of the moving air particles.

A compelling or refracting influence ie. peer pressuere.

apex- the force of gas molecules hitting their container

Pressure is the continual physical force that is exerted against an object.
The amount of force acting per unit area is called pressure
Why do you need supporting sentences in the body of illustration paragraph

To support your answer. It shows the reader why you chose to write about this.

What chemical element is the best electrical conductor

Gold and Silver

A force of 1000n is exerted on piston 1 what will be exerted on piston 2

If this is about a hydraulic system, same pressure acts through out the fluid.

Take,

A = cross sectional area (area normal to force) of piston 1

B = "" "" "" of piston 2

F2 = Force on 2nd piston

So, pressure = 1000/A = F/B

Therefore, F = (1000 X B/A ) N

(The force depends on the area ratio)

Which block of the periodic table is the largest

d-block

What statement did john Dalton make about atoms

Atoms are small and cannot be divided or destroyed.

Which element has the fewest valence electrons

Beryllium (Be)

Which idea can be stated as A change in pressure applied to a fluid is transmitted throughout the fluid with a constant magnitude

Pascals Principle

Which of thew following best describes a property of water

having high surface tension

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