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
Galina-37 [17]
2 years ago
7

The mass number of 3 isotopes of magnesium are 24,25,26.what is the mass number of the most abundant isotope of magnesium.​

Chemistry
1 answer:
Anarel [89]2 years ago
7 0

Answer:

24.4 amu or g/mole

Explanation:

24 x 0.790 = 19.0 amu

25 x 0.100 = 2.50 amu

26 x 0.110 = 2.86 amu

(Because of the 19.0, the sig figs go only to the 1/10 decimal place)

19.0 + 2.5 + 2.9 = 24.4 amu or g/mole

You might be interested in
The theory of evolution was proposed by
yulyashka [42]
The theory of evolution was proposed by Darwin. 
4 0
3 years ago
Read 2 more answers
What is one chemical property of water?
Setler [38]
One chemical property of water is that it can melt many substances.
3 0
3 years ago
Read 2 more answers
Describe the Rutherford model... and and what are its limitation...<br><br>going offline forever ✌️​
SashulF [63]

Answer:

Limitations of Rutherford Atomic Model

Although the Rutherford atomic model was based on experimental observations it failed to explain certain things. Rutherford proposed that the electrons revolve around the nucleus in fixed paths called orbits. ... Ultimately the electrons would collapse in the nucleus.

8 0
2 years ago
The cubic centimeter (cm3) is a measurement of which of the following quantities? Density
Murljashka [212]

(cm3)  is a commonly used unit of volume that extends the derived SI-unit cubic metre, and corresponds to the volume of a cube that measures 1 cm × 1 cm × 1 cm.

so the answer is volume



8 0
2 years ago
What is the difference in energy between an electron in 1s and an electron in 4s.
Andre45 [30]

Answer:

Explanation:

An electron in 4s is farther away from nucleus and it has higher energy when compared to electron from 1s.

5 0
3 years ago
Other questions:
  • What type of chemical reaction is C6H6 + CI2 = C6H5CI + HCI
    6·1 answer
  • Acid-water solutions taste __________. Acids react with __________ to produce salts and water. Acid-base reactions are called __
    11·1 answer
  • When 28 g of nitrogen and 6 g of hydrogen react, 34 g of ammonia are produced. if 100 g of nitrogen react with 6 g of hydrogen,
    7·2 answers
  • Identify items in your life that are made of each type of element: metal, nonmetal, and metalloid. For each item, explain why th
    13·1 answer
  • The value of the solubility product constant for Ag2CO3 is 8.5 × 10‒12 and that of Ag2CrO4 is 1.1 × 10‒12. From this data, what
    14·1 answer
  • Hydrochloric acid is known as strong acid​
    5·1 answer
  • Rubidium (Rb) has two isotopes. Using the data in the table below,
    9·1 answer
  • Which option is a physical property of matter?
    11·1 answer
  • An atom has eight protons and nine neutrons. draw the atomic structure of the atom
    9·1 answer
  • A certain gas is found in the exhaust of automobiles and power plants. Consider a 1.53 L sample of a gas at a pressure of 5.6 x
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!