Which phrase describes an atom?a positively charged electron cloud surrounding a positively charged nucleus
a positively charged electron cloud surrounding a negatively charged nucleus
a negatively charged electron cloud surrounding a positively charged nucleus
a negatively charged electron cloud surrounding a negatively charged nucleus

Answers

Answer 1

Answer: a negatively charged electron cloud surrounding a positively charged nucleus, the third one is the right answer.

Nucleus consists of electrically neutral neutrons and positively charged protons, so it is positively charged. Electrons, on the other hand are negatively charged. Electromagnetic force bounds atoms to the nucleus.

Answer 2

Answer:

Final answer:

An atom is described as a negatively charged electron cloud surrounding a positively charged nucleus.

Explanation:

An atom is the basic unit of matter, consisting of a nucleus at its center, composed of protons and neutrons, and electrons orbiting the nucleus. It is the fundamental building block of elements, and the arrangement of electrons determines an atom's chemical properties.

An atom is described as a negatively charged electron cloud surrounding a positively charged nucleus. The nucleus of an atom contains positively charged protons and electrically neutral neutrons, while the negatively charged electrons exist in the electron cloud surrounding the nucleus. This model of the atom is known as the Bohr model, which accurately represents the distribution of electrons in an atom.

Learn more about atom structure here:

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A flywheel with a moment of inertia of 1.00kg m^2 is rotating at 100 rpm. What torque is required to bring it to rest in 10.0 revolutions?

Answers

Torque is defined as the turning effect of force about the axis of rotation. In short it is a moment of force. It is represented by τ. The amount of torque required to produce an angular acceleration depends on the distribution of the mass of the object. It is calculated as follows:

torque = (moment of inertia)(angular acceleration)
torque = 1.00 ( 100 )(1/60) / 10
torque = 0.1667 N∙m

In a free market economy, the decisions made by buyers and sellers push the price of a good or service toward the _____. price ceiling equilibrium price price floor

Answers

Answer:

Equilibrium price

Answer:

equilibrium price

Explanation:

trust me bro

Using a hammer to drive a nail, it is the reaction force that brings the motion of the hammer to a stop but the _______________ that drives the nail into the wood.

Answers

The correct answer for the question that is being presented above is this one: "action force." Using a hammer to drive a nail, it is the reaction force that brings the motion of the hammer to a stop but the action force that drives the nail into the wood.

Explanation:

The reaction force is what presents you drive because it acts on you. Newton's Third Law of Motion describes that forces perpetually come in action-reaction pairs. The Third Law states that for every action force, there is an identical and opposite reaction force. The ball exerts an equal and opposite force on the bat.

Heliocentric means… sun-centered. moon-centered. Earth-centered. galaxy-centered.

Answers

Heliocentric means aun-centered

Answer:

sun centered

Explanation:

Which kind of waves are sound vibrations made of?transverse
circular
longitudinal
latitudinal

Answers

The answer is longitudinal. There are two types of waves: transverse and longitudinal. Transverse waves are those whose vibrations are perpendicular to the direction of the wave. Longitudinal or compression waves are those whose vibrations are in the same direction as the wave. Sound is caused by the compression of vibrations of molecules.

Answer:

longitudinal

Explanation:

Oil flows upward in the wick of a lantern because of the liquid property called

Answers

Oil flows upward in the wick of a lantern because of the liquid property called Capillarity c:

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