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
Arisa [49]
3 years ago
8

15) The element X has three naturally occurring isotopes. The isotopic massed (amu) and % abundances of the isotopes are given i

n the table below. the average atomic mass of the element is _____ amu. ​

Chemistry
1 answer:
Vikki [24]3 years ago
5 0

i am kobe's pioletdsdcddsdcdds sd s d  

You might be interested in
What diagnostic test differentiates proteus and providencia species from other enterobacteriaceae?
Levart [38]
The Urease test recognizes living beings that are equipped for hydrolyzing urea to deliver smelling salts and carbon dioxide. It is utilized to recognize urease positive Proteeas from other Enterobacteriaceae. 
It is a huge group of microscopic organisms, which are Gram-negative and bar mold. They are chemo-organotrophic and can develop in the nearness or nonappearance of air. There are numerous genera, found as parasites and pathogens in an extensive variety of life forms from plants to people.
6 0
3 years ago
Calorimetry can be used to determine the specific heat capacity of an unknown substance.
Liula [17]

Answer:

TRUE

Explanation:

Main job of calorimeter is to measure energy changes or determine specific heat capacity of different substances. Specific heat is an intensive property (like density, color, etc.) that does not depend on the amount of a substance present. This allows substances to be identified using their specific heat. Thus, calorimeter comes very handy in determining the specfic heat of unknown substance.

4 0
3 years ago
What is the atomic number of a sodium atom that has 11protons and 12 neutrons.
elena-14-01-66 [18.8K]
The atomic number is the number of protons in the nucleus: 11
5 0
4 years ago
A ball rolls down a hill. It starts with velocity of 2 ms. After 2 seconds, the ball has a velocity of 12 ms. What is the accele
trapecia [35]

Answer:

5 ms2

Explanation:

8 0
3 years ago
Read 2 more answers
Only do number three please help me <br><br> Vote you brainiest
grin007 [14]

Answer:

I think it would be d.

Explanation:

Because it would just keep going until a force acts on it.

5 0
3 years ago
Other questions:
  • Use the periodic table to give the name and symbol for each of the following elements:
    12·1 answer
  • When 125 ml of 0.500 m agno3 is added to 100. ml of 0.300 m nh4cl, how many grams of agcl are formed? agno3(aq) + nh4cl(aq) → ag
    8·1 answer
  • The figure below represents the periodic table and the location of four different elements on the periodic table. 3XN Y Elements
    6·1 answer
  • What is the trend of the following when you move from top to bottom?
    14·1 answer
  • 17.8g of aluminum sulfate is produced from how many grams of potassium sulfate?​
    14·1 answer
  • ___________________ can be renewable or nonrenewable. <br> isn't it fossil fuels? i'm not sure
    13·2 answers
  • PLEASE DO NOT DELETE, SPAM OR SEND A LINK! I need help and would appreciate it if you would not just nag my points. Thanks.
    10·2 answers
  • True or false? An organism may play more than one role in a food web
    10·2 answers
  • ¿Como pasar 254 meses a minutos?<br> Por favor ayudaaa!! <br> Le doy corona a la respuesta
    13·1 answer
  • The temperature of 150 mL of water is 25°C. What must happen for the
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!