1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
nlexa [21]
3 years ago
11

Which nuclei is not radioactive? A. Am-241 B. Mg-24 C. Pu-241 D. U-238

Physics
1 answer:
Helen [10]3 years ago
6 0

Hello!

Which nuclei is NOT radioactive?

A) Am-241 B) Mg-24 C) Pu-241 D) U-238

Solving:

It is noteworthy that chemical elements located on the periodic table in the lanthanide and actinide groups are radioactive.  

Am-241 (americium) belongs to the group of actinides and is a heavy and radioactive metal.  

Mg-24 (magnesium) is an essential element for the body, mainly for the nervous system, in addition to synthesizing proteins and serves for hormonal control, belongs to the group of alkaline earth metals and is a non-radioactive nucleus.

Pu-241 (plutonium) is an element that is isotope of fission by plutonium, belongs to the group of actinides and is a heavy and radioactive metal.  

U-238 (uranium) is an element that is isotope of non-fission uranium, belongs to the group of actinides and is a heavy and radioactive metal.

Answer:

B) Mg-24

_______________________

I Hope this helps, greetings ... Dexteright02! =)

You might be interested in
9. A current of 9 A flows through an electric device with a resistance of 43 Ω. What must be the applied voltage in this particu
kotykmax [81]

Voltage =Current * Resistance

             = 9 * 43

Voltage = 387 V

6 0
3 years ago
The pitch of a sound wave refers to the loudness of a wave. True False
Charra [1.4K]
False it refers to frequency
6 0
2 years ago
Read 2 more answers
Popular foods in Israel
andreyandreev [35.5K]

Answer:

hummus

falafel

tahini

msabbaha

Israeli salad

5 0
2 years ago
Read 2 more answers
A wave is produced from a vibrating string on a violin. Two observers are standing 20 m and 40 m away from the musician. The obs
max2010maxim [7]

Well the one that is closer can see and hear more

3 0
2 years ago
What is the acceleration of a 31 kg object pushed with a force of 42N
Ray Of Light [21]
I belive it could be 6.5 but I could be wrong
3 0
2 years ago
Other questions:
  • If an astronaut is 66 kg, what is their weight in N on the moon?
    11·2 answers
  • Has scientific knowledge changed over time?
    8·1 answer
  • A dumbbell-shaped object is composed by two equal masses, m, connected by a rod of negligible mass and length r. If I_1 is the m
    9·1 answer
  • 8. If the mass of a balloon is 300 kg and the lift force provided by the atmosphere is 3300 N, what
    6·1 answer
  • To practice Problem-Solving Strategy 22.1 for electric force problems. Two charged particles, with charges q1=qq1=q and q2=4qq2=
    11·1 answer
  • Warm air:
    7·2 answers
  • In a jigsaw classroom: A. students choose their own groups. B. students have to depend on one another to learn the required info
    11·1 answer
  • Which of the following is part of the cycle of violence? (Select all that apply)
    14·1 answer
  • Prove that, s=u+v/2<br>please I need help ​
    5·1 answer
  • A) Khi nào một vật được coi là chuyển động ? Cho ví dụ ?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!