Which statements accurately describe atoms?

Answers

Answer 1

Answer:

According to the statements made, the atoms were given names in the fifth century. All the others are untrue. Atoms can be divided, hence the previous claim that they are the smallest unit is also untrue. Atom splitting produces enormous amounts of energy, which is a topic of study in nuclear physics or other sciences. Additionally, because light particles are made up of atoms, they cannot be observed under a normal microscope.

What is an Atom?

An atom is a unit of matter that specifically characterizes a chemical element. One or more negatively charged electrons surround the core nucleus of an atom, which is made up of all of them. One or more protons and neutrons, which are comparatively heavy particles, can be found in the positively charged nucleus.

The fundamental units of matter are called atoms. Atoms make up anything that occupies space and has mass.

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Answer 2

Answer:

The answers from the statements provided is that the atoms were named in the fifth century. The others are false. Atoms can be divided as such the last statement of atom being the smallest unit is also false, splitting of atoms generates huge amount of energy studied in nuclear physics or sciences. It also cannot be seen through standard microscope as light particle itself is made up of atoms.

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Big Al stands on a skateboard at a rest and throws a 0.5-kilogram rock at a velocity of 10.0 m /sec. Big Al moves back at 0.05 m/sec. What is the combined mass of Big Al and the skateboard?
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What is the sequence of the energy transformations that occur in a nuclear reactor
A kettle transfers 1500 J of energy, 1200 J to a thermal energy store and 300 J to a vibrational energy store (sound). How efficient is the kettle?

Many people work near a source of nuclear radiation to detect the amount of exposure they have to radiation they most likely will use a

Answers

Many people work near a source of nuclear radiation to detect the amount of exposure they have to radiation they most likely will use a Film badge. It is a personal dosimeter used for monitoring cumulative radiation dose due to ionizing radiation.

The answer is Film Badge

In a series circuit, each circuit element has the same:a.currentc.capacitanceb.voltaged.resistance

Answers

In a series circuit, each circuit element has the same current. The answer is letter A. This is because the electrons flowing in a current has only a single path to follow. There are no other path that the current moves along.

The largest diversity of plants and animals on the planet is found in one terrestrial biome. True or false

Answers

The largest diversity of plants and animals on the planet is found in one terrestrial biome. It is a true statement.

What is terrestrial biome?

Large-scale habitats known as biomes can be identified by their distinctive temperature ranges and precipitation rates. The kinds of vegetation and animal life that can exist in those locations are influenced by these two factors. The same biome can exist in physically separate regions with similar climates because each biome is characterized by climate.

There are eight main terrestrial biomes: temperate grasslands, temperate forests, boreal forests, Arctic tundra, and tropical rainforests, savannas, subtropical deserts, and chaparral.

All this terrestrial biomes has large diversity of plants and animals on the planet .

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That statement is true.

The largest diversity of plants and animals on the planet is found in the tropical rain forest.

What happened to a apple's weigh as the plane rose up toward the sky?

Answers

Okay, I don't know if this question is supposed to be a trick question or not. The weight of the apple does not change as the plane travels up the atmosphere, but the MASS changes. Weight doesn't change no matter what environment you're in, but the mass changes in different environments. In this case, the weight is constant but the mass is decreasing as you go higher up.

At which point on this electric field will a test charge show the maximum strength?A
B
C
D

Answers

Answer:

Explanation:

The figure shows the electric field produced by a spherical charge distribution - this is a radial field, whose strength decreases as the inverse of the square of the distance from the centre of the charge:

$E\propto (1)/(r^2)$

More precisely, the strength of the field at a distance r from the centre of the sphere is

$E=k(Q)/(r^2)$

where k is the Coulomb's constant and Q is the charge on the sphere.

From the equation, we see that the field strength decreases as we move away from the sphere: therefore, the strength is maximum for the point closest to the sphere, which is point A.

This can also be seen from the density of field lines: in fact, the closer the field lines, the stronger the field. Point A is the point where the lines have highest density, therefore it is also the point where the field is strongest.

What does the wavelength of visible light waves correspond to?

Answers

The wavelength of the visible range of the electromagnetic spectrum lies between $\boxed{400\,{\text{nm}} - 700\,{\text{nm}}}$ .

Further Explanation:

The Electromagnetic spectrum is the complete range of the electromagnetic radiation which expresses all the radiation starting from the Gamma rays to the radio waves. The electromagnetic spectrum is the detailed spectrum that explains all the electromagnetic radiations.

The electromagnetic radiations are the transverse waves which do not require any medium for their propagation. The electromagnetic waves can easily travel through space. All the electromagnetic radiations travel at the speed of light.

The different radiations in the electromagnetic spectrum are as follows:

Gamma rays

X-rays

Ultraviolet rays

Infrared rays

Micro waves

Radio waves

The wavelength and the frequency ranges for the different electromagnetic radiations is as shown in figure attached.

Therefore, the wavelength of the visible range of the light in the electromagnetic spectrum is $\boxed{400\,{\text{nm}} - 700\,{\text{nm}}}$ .

Learn More:

1. What is the threshold frequency ν0 of cesium brainly.com/question/6953278

2. Calculate the wavelength of an electron (m = 9.11 × 10-28 g) moving at 3.66 × 106 m/s brainly.com/question/1979815

3. What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays brainly.com/question/9059731

Answer Details:

Grade: High School

Subject: Physics

Chapter: Electromagnetic Waves

Keywords:

Electromagnetic spectrum, visible light, EM waves, wavelength, 700nm, 400 nm, 7000 A, frequency, gamma rays, transverse waves.

Explanation:

Visible light is a very part of electromagnetic spectrum. We can see the visible region of the electromagnetic spectrum.

The frequency and the wavelength has an inverse relationship.

For example, the red light has large wavelength and low frequency. Violet has a short wavelength and higher frequency.

The frequency range of visible region is from 400 nm to 700 nm.

Other Questions

How could a lightbulb near an electromagnet, but not touching it, be lit? Is ac or dc required? Defend your answer.

Answer to number 8 please

A 2 kg wagon is at rest on a sidewalk. How much gravitational force is acting on the wagon?

A=1598N÷12.0kg (acceleration=force÷mass)