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3 years ago

What happens when a penny is dropped from a height of 20 meters?

Chemistry

1 answer:

pshichka [43]3 years ago

7 0

Also option C is correct. Hope it helps.

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Which of the following is not a form of radiation? Radio waves or sound waves or microwaves or gamma waves

Svetlanka [38]

Sound waves.
Radio waves and Microwaves are non-ionizing radiation. Gamma waves are ionizing radiation

3 0

3 years ago

Subject: Chemistry<br><br><br>whoever does this right will give the brainliest <3)

Andru [333]

Answer:

1 A

3 main types of bond are

Ionic bond ( formed due to complete transfer of electron between atoms(

Covalent bond ( formed by mutual sharing of electron)

Metalic bond ( present in the metals due to mobile electrons)

1 B bond in CaO is ionic bond formation in attached image

1 C hydrogen bond with nitrogen is covelent NH3 ammonia is formed because a bond between two non metals is expected to be covalent

More their electronegativity difference between hydrogen and nitrogen is less than 1.7 that makes it covalent

Explanation:

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3 years ago

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Moving water carrying away small

kondaur [170]

Answer:

erosion:)

Explanation:

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3 years ago

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Identify the state of matter for A, B, and C.

drek231 [11]

Explanation:

A) particles are close together in random positions with about equal kinetic energy and intermolecular forces.

These points are about liquid state.

B) particles are close together in fixed positions with low kinetic energy

These points satisfy the qualities of Solid state

C)particles are far apart with greater kinetic energy and low intermolecular forces.

The above qualities are for Gaseous state of matter

A) Liquid

B)Solid

C)Gas

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3 years ago

Why do different materials have similar properties

Deffense [45]

Answer:

The difference in the number of protons and neutrons in atoms account for many of the different properties of elements.

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3 years ago

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