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
Lesechka [4]
3 years ago
15

What is missing in the following nuclear equation? 99 TC → ? + 99 Ru 43 44

Biology
1 answer:
Zolol [24]3 years ago
8 0

Answer: A beta particle

Explanation:

A beta particle is simply a high energy electron that is emitted from the nucleus. It DOES NOT affect the mass number of radioactive element TC, but affects the ATOMIC NUMBER by increasing it by 1 in Ru.

Thus mass number 99 remain the same in TC and Ru, but Atomic number increases from 43 to 44 due to beta decay

So, a beta particle is missing

You might be interested in
Catabolic process for the decomposition of 2-carbon compounds
Vadim26 [7]
A. Citric acid cycle (Krebs cycle)
7 0
2 years ago
Which geographic location did Least affected by seasons?
Vaselesa [24]

The equator  because it receives equal amounts of sunlight though-out the year.

Hope this helped!!!!

6 0
3 years ago
The process of making an exact copy of dna is called
lubasha [3.4K]

Answer:

Replication

Explanation:

5 0
2 years ago
Read 2 more answers
PLEASE HELP with this. i’m not sure what it is and my notes don’t help me. please help me out!
maks197457 [2]

Answer:

it's true. that looks to be musle tissue to me

6 0
2 years ago
Which characteristics do cell membranes and cell walls have in common?
bekas [8.4K]
A/Cell membranes and cell walls are selectively permeable and aid in communication.
Explanation: Cell Membranes or cell wall have phospholipid bi layer which functions as a selectively permeable barrier that separates an internal environment from an external one. They are selective permeable through passive process (concentration gradient) allowing certain molecule diffuse into cells
4 0
3 years ago
Other questions:
  • What term describes the way an organism responds to stimuli?
    15·2 answers
  • Drugs that block the operation of a neurotransmitter are called _______
    14·1 answer
  • Gm announces it has invented a car that not only drives you places, but also has an interesting side effect...if you sit in the
    5·1 answer
  • Plz help me just numbers 11 and 13 <br><br><br><br>Thx you
    9·1 answer
  • "Ants from the genus Pseudomyrmex live in bull's horn acacia trees, Acacia cornigera. The ants will attack any predators of the
    14·2 answers
  • Describe two potential biological risks of large scale cultivation and use of such genetically modified plants
    11·1 answer
  • The wood use to.make chairs and musical instruments is made up of which plant tissue​
    13·1 answer
  • Describe the function of the endoplasmic plasm
    6·1 answer
  • 1. A black (Cch) is crossed with a chinchilla bunny (cch cch).
    9·1 answer
  • According to the octet rule, if an atom has fewer than 8 electrons in the outer most energy level, what is likely to happen?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!