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bazaltina [42]
3 years ago
8

What scientific instrument do we use to measure seismic waves? PLSSS HELP xD

Chemistry
1 answer:
gulaghasi [49]3 years ago
8 0

<em>The instrument we use to measure seismic waves is the </em><em>seismometer, or seismograph, </em><em>those are two ways to name it.</em>

<em>Glad to help ya!! :)</em>

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Magnesium has an atomic (proton) number of 12 and a mass number of 24.
kenny6666 [7]

Answer:

1.2044x10^24 atoms

Explanation:

one mole of any element has 6.022x10^23 atoms

so 2 moles is just multiplying avogadros number by 2

2 x ( 6.022x10^23)= 1.2044x10^24 atoms

7 0
2 years ago
What does "Telescopically" mean?
MrRissso [65]

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It is b to use a telescope

8 0
3 years ago
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What do the brackets in chemical equations mean?
Alex777 [14]
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7 0
3 years ago
The atomic notation for a particular atom of boron is 11/5 B. The atomic number is while the mass number is_, while the mass num
Morgarella [4.7K]

The atomic number=5

The mass number=11

<h3>Further explanation</h3>

In the following element notation,

\tt \large {{{A} \atop {Z}} \right X}

 X = symbol of elemental atom

A = mass number

   = number of protons + number of neutrons

Z = atomic number

   = number of protons = number of electrons, on neutral elements

So for The atomic notation for a particular atom of Boron  :

₅B¹¹

Z=5=atomic number

A=11=mass number

5 0
3 years ago
Please help thank you
Darina [25.2K]

Based on the Hund's Rule, the three electrons in a 2p orbital are arranged as shown in option C.

<h3>What is an orbital?</h3>

The term orbital refers to a region in space where there is a high probability of finding the electron. We know that an electron in an atom could be defined by the use of four sets of quantum numbers which are;

  • The principal quantum number
  • The orbital quantum number
  • The spin quantum number
  • The magnetic quantum number

Hund's rule states that, electrons occur singly before pairing takes place. In this case, we can see that the only arrangement that obeys the Hund's Rule is option C.

Learn more about Hund's rule:brainly.com/question/12646067

#SPJ1

7 0
1 year ago
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