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
attashe74 [19]
3 years ago
11

\"Give the nuclear symbol for the isotope of gallium, Ga, that contains 40 neutrons per atom.\". .

Chemistry
1 answer:
Lisa [10]3 years ago
5 0
The nuclear symbol of the isotopes of gallium where as the symbol must be determined according to its parts and they are the symbol of the element, the atomic number of the element and also the mass number of the specific isotopes. So the symbols is Ga 42 over 71 . I hope this would help
You might be interested in
A 50-mL beaker only has a scale that measures 10, 20, 30, and 40 mL. What is the uncertainty associated with the 50 mL beaker.
Juliette [100K]
If the uncertainty of a certain measurement instrument is not given, then it is assumed to be equal to half of the least count of that instrument. In this case, the least count is 10 ml, so half of this is 5 ml. Therefore, the graduated cylinder has an uncertainty of +/- 5 ml
8 0
3 years ago
A sample of seawater weighs 250 g and has a volume of 173 ml. What is the density of seawater?
kari74 [83]

Answer:

<h2>The answer is 1.45 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass of seawater = 250 g

volume = 173 mL

It's density is

density =  \frac{250}{173}  \\  = 1.4450867052...

We have the final answer as

<h3>1.45 g/mL</h3>

Hope this helps you

8 0
3 years ago
Science does not include<br><br> beliefs or opinions<br> theories<br> laws<br> conclusions
denpristay [2]
Beliefs or opinions
8 0
4 years ago
in chemical reactions, are bonds of reactants formed or broken? What about the products, are those formed or broken?
lubasha [3.4K]

d...................................................


3 0
3 years ago
Which three groups of the periodic table contain the most elements classified as metalloids (semimetals)?
attashe74 [19]
The metalloids are mostly concentrated in groups 14, 15, and 16. (Some simpler charts will show them as 4A, 5A, and 6A - take a look at the top of the periodic table your class uses to double-check).

If you like my answer, please vote me a 'brainliest' - trying to improve my rank :-)

8 0
4 years ago
Read 2 more answers
Other questions:
  • What is the mass in grams, if you have 8.42 x 10^18 atoms of Bromine
    9·1 answer
  • What is the percent copmosition of chromium in CrF3
    15·1 answer
  • How do scientists measure the idea of time so long ago?
    14·1 answer
  • How do you think the atomic radii will change as electrons are added to a shell?
    15·2 answers
  • 13. What would you expect the pH of an aqueous solution of tertiary bromide in water to be (acidic, neutral, or basic)
    5·1 answer
  • What is Kb for N2H4 if the pH of a 0.158M solution of N2H5Cl is 4.5?
    10·1 answer
  • A sample of chlorine gas is stored at a temperature of -25oC. If the chlorine gas's temperature is raised to 52oC, its volume in
    6·1 answer
  • Please help me with these questions
    10·1 answer
  • If you cant see the image please let me know. last time i put an image someone said its blurry.
    11·1 answer
  • Which one is location 3 in___<br><br> Arm <br><br> Center
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!