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
Damm [24]
3 years ago
11

How many protons, electrons, and neutrons does an atom of iridium (Ir) have

Biology
1 answer:
kvasek [131]3 years ago
8 0
Iridium has 77 protons, 77 electrons, and 115 neutrons. You can figure out the protons/electrons from it's atomic number, 77. Because it's atomic mass is 192, subtacting the atomic number 77 from this gives you 115 neutrons!
You might be interested in
Which of the following is true about waves?
nalin [4]

Answer:

They carry energy

Explanation:

Because energy is carried by changes in matter

7 0
3 years ago
How has selective breeding changed the wolf into the many different breeds of domestic dogs that we know today?
ivanzaharov [21]

D.All of the Above

How has selective breeding changed the wolf into the many different breeds of domestic dogs that we know today?

a. Animals with the traits that were desired were bred to each other.

b. As civilization changed, so did our need and desire for different types of dogs.

c. The fear of humans was bred out of wild wolves.

d. All of the above.

6 0
3 years ago
Read 2 more answers
What are different types of stimuli?
lesya692 [45]

Answer:

three types of stimuli—mechanical, thermal, and chemical; some endings respond primarily to one type of stimulation, whereas other endings can detect all types. Chemical substances produced by the body that excite pain receptors include bradykinin, serotonin, and histamine."

Explanation:

From edge

6 0
3 years ago
The only way to test a scientific hypothesis is to perform an experiment true or false
astra-53 [7]
I say false cause a hypothesis is a guess and not all the time it's dealing an experiment. If It is dealing with an experiment then true
6 0
3 years ago
Describe how scientists make inferences on whether water is polluted or not
Rufina [12.5K]

Answer: Water that's safe to drink should ideally be clear with no odor or funny taste. One way to tell if water is contaminated is to look for turbidity, or cloudiness. While cloudy water isn't necessarily dangerous to your health, it could signal the presence of unsafe pathogens or chemicals.

Explanation:

8 0
2 years ago
Other questions:
  • What fibrous structure functions to anchor the atrioventricular valves in a closed position?
    10·1 answer
  • Which statement describes one way that RNA differs from DNA?
    13·1 answer
  • T/F<br> During light-independent reactions, ATP and NADPH molecules are formed.
    9·2 answers
  • if a DNA molecule contains guanie nucleotide base on one chain, the other chain of the double helix will contain a corresponding
    9·2 answers
  • Why are muscle cells also called muscle fibers?
    15·1 answer
  • How does heart rate change during and after an exercise is performed for two different periods of time?
    5·1 answer
  • What is the apparent brightness of a star?
    15·2 answers
  • Gizmos Student Exploration: Photosynthesis Lab answer key pleaseeeee
    8·1 answer
  • Poultry products are a likely source of infection by:
    12·1 answer
  • Hello! There are five questions on biology here that I need help with please :)
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!