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
ycow [4]
2 years ago
13

What is the relative atomic mass of an element

Chemistry
1 answer:
Gennadij [26K]2 years ago
4 0

Answer:

20.2 amu.

Explanation:

Let A represent isotope ²⁰X

Let B represent isotope ²²X

From the question given above, the following data were obtained:

For Isotope A (²⁰X):

Mass of A = 20

Abundance (A%) = 90%

For Isotope B (²²X):

Mass of B = 22

Abundance (A%) = 10%

Relative atomic mass (RAM) =?

The relative atomic mass (RAM) of the element can be obtained as follow:

RAM = [(Mass of A × A%)/100] + [(Mass of B × B%)/100]

RAM = [(20 × 90)/100] + [(22 × 10)/100]

RAM = 18 + 2.2

RAM = 20.2 amu

Thus, relative atomic mass (RAM) of the element is 20.2 amu

You might be interested in
What happens to the temperature of the remaining liquid when some of the liquid evaporates
Dovator [93]
Turns into vapor. not all of the molecules are liquid have the same energy
7 0
3 years ago
why might you find fossil evidence of both an ocean and a forest at different depths in the same location??
skad [1K]

Answer:

The fossil evidence of both an ocean and a forest can be found at different depths in the same location because there might have been a presence of both an ocean and a forest at the same location at different times in the history of Earth.

Explanation:

It is clear from various studies that the Earth has had a diverse geologic history in which events like drastic climate changes, upsurging of oceans, rapid desertification, etc., have taken place many times.

Thus, the possibility of an ocean and forest having shared a single location at different times in the history of Earth cannot be neglected.

7 0
2 years ago
The body is a system of interacting subsystems composed of a group of specialized cells and tissues because....
marishachu [46]

In multicellular organisms, the body is a system of multiple interacting subsystems. These subsystems are groups of cells that work together to form tissues and organs that are specialized for particular body functions.

Hope This Helps!  Have A Nice Day!

5 0
2 years ago
The stability of an atom is determined by the: A strength of its gamma rays B ratio of neutrons to protons C number of electrons
Lyrx [107]

Your correct answer is (B) Ratio of neutrons to protons

Hope this helps! :)


6 0
3 years ago
Read 2 more answers
What is the best way to organize desert several several million different types of organisms on earth
SCORPION-xisa [38]

Answer:

The desert should be divided into different types based on its properties. The organisms living in specific type of desert should be named accordingly.

Explanation:

There are usually five major types of desert in the world. Tropical, rainy, semi arid desert, coastal desert and dry desert. There are many different types of organisms living in these deserts. The biodiversity has made it difficult for the humans to analyse and identify the millions of different types. The best way is to organize and name the organisms that live in specific types of deserts.

5 0
2 years ago
Other questions:
  • A home gets its water from a private well which of the following is a sign that the water quality maybe low
    12·1 answer
  • Give an example of solution. Explain why it is a solution and how it is formed.
    5·1 answer
  • The number of particles in 1 mole of hydrogen gas is ________.
    13·1 answer
  • How many moles of potassium bromide (KBr) are in 97.569 grams? *
    12·1 answer
  • Which statement about polymers is true? A. Polymers are substances that have relatively large molecules. B. Oil and gas are the
    10·1 answer
  • The Ksp can be used to find the concentration of hydroxide ions, and thus determine the pH given a concentration of of aluminum.
    9·1 answer
  • Use the table to determine the number of protons for each atom. Then, choose the statement below that is true about the two atom
    12·1 answer
  • Taylor has $30,00 card that she con spend the store She already bought $9.00 ploture frame, she wants to $2.00 Journals with the
    9·1 answer
  • Bài 1: Đốt cháy 28 lít khí mêtan CH4 trong không khí sinh ra khí cacbon đioxit và hơi nước.
    7·1 answer
  • Proteins have two main secondary structures: _______, which are spirals formed by hydrogen bonds between amino acids, and ______
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!