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4 years ago

At what distance would radiation cease completely

1 answer:

5 0

<span>depends on the type of radiation Alpha waves won't get very far Beta waves will get further Gamma waves and Xrays even further than beta</span>

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Explain the difference between elements and compounds, a teacher filled

stiv31 [10]

Answer:

Kindly check explanation.

Explanation:

So, without mincing words the solution to this particular Question is given below:

First, an ELEMENT is a that entity that has what is known as the atoms. Although, there might be more elements but the recognized elements are group into the periodic table/chart. Examples of elements are Hydrogen, Helium, Lithium, Beryllium, Boron, carbon, Nitrogen, oxygen, Fluorine, neon, sodium, magnesium, Aluminium and so on.

A COMPOUND consist of different elements that are chemically combined. Examples of compounds are; H2O, CaCO3, H2SO4, HNO3, MgCl2, NaCl, HCl and many more.

Also, elements has the same atoms while componds have different number of atoms since it is a combination of elements.

Finally, ELEMENTS can not be broken down through the use of chemical process while COMPONDS can be broken down through chemical processes.

To the second part of the question. The box that will represent elements will contain balls of the same colors and the balls are not joined together.

6 0

3 years ago

Indica las condiciones que debe cumplir una colisión entre moléculas para que se produzca una reacción química

g100num [7]

Answer:

Las moléculas de los reactivos tienen que chocar entre sí. Estos choques deben de producirse con energía suficiente de forma que se puedan romper y formar enlaces químicos. En el choque debe haber una orientación adecuada para que los enlaces que se tienen que romper y formar estén a una distancia y posición viable.

6 0

3 years ago

Which two electron configurations represent elements that would have similar chemical properties? (1) 1s22s22p4 (2) 1s22s22p5 (3

Anton [14]

Answer: Two electron configurations of elements that would have similar chemical properties are (2) and (4).

Explanation:

(1) $1s^22s^22p^4$

(2) $1s^22s^22p^5$

(3) $[Ar]4s^23d^5$

(4) $[Ar]4s^23d^{10}^4p^5$

Valence electrons : These are the electrons present in last principal quantum number of an atom of the element.

Two electron configurations represent elements that would have similar chemical properties are (2) and (4). This is because number of valence electrons present in both of them are same that is seven valence electrons . Also valence electrons of both the elements are present in p-orbital which means that they both belongs to same group in a periodic table. The members of same group in a periodic table have similar chemical properties.

3 0

3 years ago

What Is A Sublimation

kondaur [170]

Answer:

sublimation is the transition of a substance directly from the solid to the gas phase without passing throught the intermedate liquid phase

such as the following

dry ice

air fresheners

freese drying

moth balls

Explanation:

5 0

3 years ago

Read 2 more answers

1) Which New York State landscape region is located at 42 N, 75 W?

denis23 [38]

Answer:C) the Catskills

Explanation:

8 0

3 years ago