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2 years ago

Describe the nucleus of the atom.

Chemistry

1 answer:

miskamm [114]2 years ago

6 0

Answer:

The nucleus of atom is composed of two subatomic particles that each have charges.

Protons, which are positively charged particles.
Neutrons, which are neutrally charged particles.

Both reside in the nucleus of an atom. The amount of protons and neutrons (Electrons can to) is what helps us identify each atom apart. Electrons are NOT in the nucleus of atom but orbit it in outer layers called orbitals.

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Heat energy is transferred on Earth by the processes of convection, conduction, and radiation. How does heat energy cause materi

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I think it will be D or B but my mine answer is D

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3 years ago

10) What are the four main spheres of planet?

Tomtit [17]

Answer:

the four main spheres of the earth are geosphere, hydrosphere, atmosphere and biosphere

Explanation:

geosphere consists of all rocks on Earth

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3 years ago

if the lightbulb receives 100 J of electrical energy, and gives off 75 energy, how much heat (thermal energy away from the light

oksano4ka [1.4K]

Answer:

Amount of heat energy released by light bulb = 25 joules

Explanation:

Given:

Energy receive by light bulb = 100 Joules

Energy released by light bulb as light energy = 75 Joules

Find:

Amount of heat energy released by light bulb

Computation:

We know that, energy is neither be created nor destroys

So,

Using Law of conservation of energy

Energy receive by light bulb = Energy released by light bulb as light energy + Amount of heat energy released by light bulb

100 = 75 + Amount of heat energy released by light bulb

Amount of heat energy released by light bulb = 100 - 75

Amount of heat energy released by light bulb = 25 joules

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3 years ago

One isotope of carbon has 6 protons and 6 neutrons. The number of protons and neutrons of a second isotope of carbon would be __

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D. 6 protons and 7 neutrons

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They can all by seperrated or replicated.

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