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
Alex
3 years ago
15

Elemental exonium (not a real element) consists of two major isotopes abundance mass 18% 98 amu 82% 112 amu what is the atomic w

eight for exonium? answer in units of amu
Chemistry
1 answer:
pishuonlain [190]3 years ago
3 0
In general chemistry, isotopes are a group of substances that belong to the same element. An element is characterized in the periodic table by their atomic number, which is the number of protons in an atom. Therefore, these substances have the same atomic numbers, but differ in mass numbers. Mass number is the sum of the number of protons and neutrons in the nucleus of an atom. 

To determine the atomic weight of an element, you take the average weight of all the existent isotopes of that said element. The calculation would require to multiply the exact mass of the isotope to its abundance. Then, sum them all up.

Atomic weight = 98(0.18) + 112(0.82)
Atomic weight = 109.48 amu
You might be interested in
Large-scale environmental catastrophes _______.
Ymorist [56]

Answer:

D. All of the Above

Explanation:

i just took the test on edgenuity

3 0
3 years ago
Help me please an thank you
agasfer [191]

Answer:

formula unit

Explanation:

3 0
3 years ago
Read 2 more answers
Some one please help me ​
Norma-Jean [14]

Answer:

C.4

Explanation:

6 0
3 years ago
Scientists take scientific measurements carefully in order to ensure their reliability and validity. Which of the following is a
Lemur [1.5K]
The correct answer is C. An example of measurement bias in scientific measurement, of the available answers, would be a balance that always reads 0.1g. The other possible answers are all examples of devices or measurement techniques that would help a scientist to avoid measurement bias, rather than contributing to it.
6 0
3 years ago
Read 2 more answers
Infrared (IR) spectroscopy is used to identify functional groups within a molecule. Click on the peak that corresponds to the st
Sergio [31]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The correct place to click on any of the  double peak showing between  2500 and 3000cm^{-1} on the uploaded question

Explanation:

The group which is being highlighted is an Aldehyde  functional group denoted by this structure (=C-H)

This groups stretch on the infrared spectrometer gives two medium intensities peaks

Its stretch comes at  2820 - 2850 cm^{-1}  peak 1

and at  2720 - 2750 cm^{-1}  peak 2

So the correct click would be on any of the two peaks between 2500 - 3000 cm^{-1}  region

7 0
3 years ago
Other questions:
  • Choose one of the following areas of research and describe how these scientific studies will have an affect on the economy, poli
    12·1 answer
  • What refers to the body’s inability to maintain a stable internal environment.
    11·2 answers
  • How many moles of KCL is in a 3M solution of KCL
    8·1 answer
  • How many sulfur atoms are generated when 9.42 moles of H2S react according to the following equation: 2H2S+SO2→3S+2H2O
    8·2 answers
  • Consider a closed containing a solid in equilibrium with its vapor. The volume of the solid is much less than that of the contai
    15·1 answer
  • 1. The back legs of frog are very strong and it has webbed feet because ……..​
    11·1 answer
  • You are told that a certain container holds 3.8x1024 molecules of water (H2O) at STP. How many grams of water are in the contain
    12·1 answer
  • How are metals and nonmetals similar
    7·1 answer
  • Which of the following protects the contents of the nucleus
    10·1 answer
  • Explain radiation zone and convection zone.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!