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tankabanditka [31]
3 years ago
11

50 POINTS/BRAINLIEST TO CORRECT!

Physics
1 answer:
Law Incorporation [45]3 years ago
8 0

Answer: 3.32x10^-4

Explanation: Works for Acellus

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Order the seven basic spectral types from hottest to coldest.
vfiekz [6]

Answer:

There are basically seven spectral types which are used for classifying the stars and it is arranged in the order of increasing temperature from the hottest temperature to the coldest division are: O, B, A, F, G, K, and M. These categories are basically divided into the sub category in the spectral where O is the hottest type and M is the coldest type.  

8 0
3 years ago
Atom X contains seven protons and seven neutrons. atom Z contains seven protons and eight neutrons. which of the following state
stiks02 [169]

Answer:

The correct answer is option A: they are isotopes.

Explanation:

From atom X we know that the number of protons is 7 and the number of neutrons is 7 and from atom Z we know that the number of protons is 7 and the number of neutrons is 8.

Since the number of protons of atom X and atom Z is the same, we have that atom X and atom Z is the same element. The difference in the number of neutrons tells us that atom X and atom Z are isotopes. Remember that an isotope is one element that has atoms with different numbers of neutrons.            

The mass number is given by:              

A = p + n

Where <em>n</em> is the number of neutrons and <em>p </em>is the number of protons.

For atom X and atom Z we have:

A_{x} = 7 + 7 = 14

A_{z} = 7 + 8 = 15

Hence, they have a different mass number.  

We know that the element with 7 protons is nitrogen. The first isotope is ^{14}_{7}N and the second isotope is ^{15}_{7}N. Both isotopes are stables (they are not radioactive).  

Therefore, the correct answer is option A: they are isotopes.

I hope it helps you!                                                          

3 0
3 years ago
Which of the following are in the correct order from smallest or largest?
maks197457 [2]
B) millimeter, centimeter, meter, kilometer
4 0
2 years ago
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Which term refers to the upper part of a glacier that receives the most snowfall?
liq [111]
The answer is A) accumulation zone
6 0
2 years ago
Which other subatomic particle has the same mass as a neutron
RideAnS [48]

Answer:

.................... protons :)

7 0
2 years ago
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