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Aleks [24]
3 years ago
15

Which of these statements correctly describe the atom? Check all that apply. All matter on Earth is made up of atoms. The subato

mic particles of an element retain the properties of that element. The neutron has no charge and identifies the element. The electron is negatively charged and is located in a cloud surrounding the nucleus. The proton is positively charged and is found in the nucleus.
Physics
3 answers:
Irina18 [472]3 years ago
3 0

True: All matter on earth is made up of atoms.

False: Subatomic particles don't identify an element. I give you an electron. Can you tell me where it came from?

False: (1/2) A neutron has no charge [That's the True part]. It identifies the element. (Not true).

True: description of an electron.

True: description of a proton

Sergeeva-Olga [200]3 years ago
3 0

Answer:

All matter on Earth is made up of atoms.

The electron is negatively charged and is located in a cloud surrounding the nucleus.

The proton is positively charged and is found in the nucleus.

Explanation:

As we know that the atom is made up of three sub atomic particles give as

1). Electrons

2). Protons

3). Neutrons

Now we know that neutrons do not have any charge but it stays inside the nucleus and more than 50% of mass of the nucleus is due to neutrons.

Protons are of positive charge and it also stays inside the nucleus and number of protons inside the nucleus is same as atomic number.

Electrons are always of negative charge and it stays outside the nucleus in form of electron cloud and total negative charge of electron must be equal to total positive charge of proton in neutral atom.

Haylea Donohue2 years ago
0 0

What is made up of atoms?
3 answers.

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The cosmic microwave background essentially looks the same in all directions. This is an example of.
pentagon [3]

In general, all views of the cosmic microwave background are identical. Isotropy is demonstrated by this.

<h3>What exactly is isotropy, for instance?</h3>

The Greek words isos (equal) and tropos, from which the term "isotropy" is derived, mean "uniform in all directions" (way). The material properties of anisotropic materials, such as graphite, differ depending on the direction, in contrast to isotropic materials like glass, which show the same properties in all directions.

There is no "centre" to an isotropic universe, which is another characteristic. The North and South Poles are produced by the rotation of the Earth, giving them a distinctive orientation, but the Universe is visible from every angle. When we think about the Big Bang, which is the origin of the Universe, this is a crucial point.

To know more about cosmic microwave background visit:

brainly.com/question/28197648

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3 0
1 year ago
A plane drops a rubber raft to the survivors of a shipwreck. The plane is flying at a height of 1960 m and with a speed of 109 m
Korolek [52]

In this case the rubber raft has horizontal and vertical motion.

Considering vertical motion first.

We have displacement  s = ut +\frac{1}{2}at^2, u = Initial velocity, t = time taken, a = acceleration.

In vertical motion

    s = 1960 m, u = 0 m/s, a = 9.81 m/s^2

    1960 = 0*t+\frac{1}{2} *9.81*t^2\\ \\ t = 20 seconds

So raft will take 20 seconds to reach ground.

Now considering horizontal motion of raft

u = 109 m/s, t = 20 s, a = 0m/s^2

So s = 109*20+\frac{1}{2} *0*20^2 = 2180 m

So shipwreck was 2180 meter far away from the plane when the raft was dropped.

8 0
2 years ago
It takes 56.5 kilojoules of energy to raise the temperature of 150 milliliters of water from 5°C to 95°C. If you
Debora [2.8K]
You'd get an extra 40/60 of the energy, or 2/3. Multiply 5/3 by the required energy to get the actual consumption.
7 0
2 years ago
An airplane with a mass of 5,000 kg needs to accelerate 5 m/s2 to take off before it reaches the end of the runway. How much for
Anastasy [175]

Answer:

<h2>25000 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 5000 × 5

We have the final answer as

<h3>25000 N</h3>

Hope this helps you

6 0
3 years ago
What is work done aganist gravity?​
Rudik [331]

Answer:

Work done against gravity in lifting an object becomes potential energy of the object-Earth system. The change in gravitational potential energy, ΔPEg, is ΔPEg = mgh, with h being the increase in height and g the acceleration due to gravity.

Explanation:

You're Welcome.

8 0
2 years ago
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