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brilliants [131]
3 years ago
5

An element is made up of?

Physics
2 answers:
valentina_108 [34]3 years ago
7 0
When all atoms that make up a substance are the same, then that substance is an element. Elements are made of only one kind of atom. Because of this, elements are called "pure"
VladimirAG [237]3 years ago
5 0
Hey there!

An element is a substance made up only and entirely of one particular atom.

In fact- that's what makes an <em>element an element</em>. It's only made of one type of atom, and that's what makes it a singular substance that's used in the production of other substances.

If it had different types of atoms, it wouldn't be that singular element. The elements we have on the periodic table are the types of atoms and elements we know in order of atomic number. We know the most prominent, least prominent, and so on- but all of these elements are scattered throughout the world.

For example, steel is not an element- or a compound. It's an alloy, it's made of several different types of metals, each can be made of other types of metals, and when you go down to what <em>those</em> metals are made of- you get that one substance that's made up of one singular atom- an element.

Hope this helps!
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the distance between 2 station is 5400 m find the time taken by a train to cover this distance, if the train travels with speed
iragen [17]

Answer:

I dont know bro

Explanation:

Ask an expert

8 0
3 years ago
Read 2 more answers
Suppose that a tiny space invader (m=0.47 kg) and the new space station orbit Earth at the same height from Earth’s surface. Whi
Ad libitum [116K]

The tiny space invader and the new space station will have equal orbital speed.

<h3>The orbital speed of satellite </h3>

The orbital speed of satellite on Earth surface is given as;

V = \sqrt{\frac{GM}{r} }

where;

  • V is the orbital speed
  • G is universal gravitation
  • M is mass of the Earth
  • r is the radius of the circular path

Since the two objects are at the same height from Earth's surface, the distance from the central point (r) will be the same. Thus, the two objects will have equal orbital speed.

Learn more about orbital speed here: brainly.com/question/22247460

6 0
2 years ago
What parameters affects the inductance of a coil​
Kazeer [188]

Answer:

Number of Wire Turns in the Coil.

Explanation:

The greater the number of turns of wire in the coil, the greater the inductance. Fewer turns of wire in the coil results in lesser inductance. More coils of wires indicate a greater amount of magnetic field force for a given amount of coil current.

4 0
2 years ago
An electric light is plugged into a 120-V outlet. If the current in the bulb is 0.50 A, how much electrical energy does the bulb
ioda

Answer:

= 54,000 Joules or 54 kJ

Explanation:

Electrical energy is given by the formula;

E = VIt; where V is the potential difference in volts, I is the current and t is the time in seconds.

Therefore;

Electrical energy = 120 V × 0.50 A × 15 ×60 seconds

                            = 54,000 Joules

Thus; the electrical energy is 54,000 joules or 54 kJ

7 0
3 years ago
Can you please summarise this, because I can't get the topic
wlad13 [49]
An electric circuit is anything in which electric current flows. Typically it refers to things with wiring like the electronics in your phone, but it can be made of anything that conducts electricity.

Say you have a battery, it basically has a bunch of electrons under a potential (think of gas in a tank under pressure), but the only way for the electrons to move is to move through a conductor, which are molecules with loosely held electrons. If you take a copper wire and touch each end to the two terminals you’ve completed an electric circuit because the electrons can now flow. But you can also put things partway through the wire like a lightbulb, which when the electrons run through it generates light.
4 0
3 years ago
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