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
wel
3 years ago
9

1. Element X has two naturally occurring isotopes. Its first isotope has a mass of 28.0 amu

Chemistry
1 answer:
riadik2000 [5.3K]3 years ago
5 0
28.0 x 0.6424 = 18
25.0 x .6424 = 16.1
Mass = 34.1
You might be interested in
Where is the Oort cloud located​
Karolina [17]
To be honest I don’t even know
5 0
3 years ago
Read 2 more answers
What is ancient japan remembered for
Katarina [22]
Hi!

The Samurai is what I would attribute to the memory of Ancient<span> Japan.</span>
3 0
3 years ago
Calculate how many valence electrons are in H2CO, N2, Cl2?
Ket [755]
<span>In H2CO, C is bonded to H, H and O. Write down the valence electrons of each element. 2 H = 1x 2 = 2. C= 4 O = 6 Total 12 </span>
6 0
3 years ago
Read 2 more answers
a company has designed a new product and tested the porotype which is the next step in product development
Masja [62]
I’d say market and distribution would be the next step
6 0
3 years ago
Chlorine has an atomic number of 17.
zlopas [31]

Answer:

A. 17

Explanation:

6 0
4 years ago
Read 2 more answers
Other questions:
  • What information does the chemical shift of an nmr signal convey? select the correct answer?
    15·2 answers
  • HELPPPPPP<br><br> Cracking of heptane please help! Show the chemical formula and the diagrams
    15·1 answer
  • In a mixture of helium and chlorine, occupying a volume of 14.6 l at 871.7 mmhg and 28.6oc, it is found that the partial pressur
    10·1 answer
  • Lol i decided to make a science question for u guys to see if your good st science so here it is...:What is a decomposer,a produ
    6·2 answers
  • Explain how heat is exchanged through potential and kinetic energy
    10·1 answer
  • Identify the chemical formula for calcium phosphate.
    15·1 answer
  • Time: Continents Over Time View Hint Place all the images on the timeline before you click the "Check” button. If you get stuck,
    10·1 answer
  • At a depth of 100 ft in water, the external pressure is 4.0 atm. What is the solubility of N2 from air in blood at this pressure
    11·1 answer
  • Write a balanced half-reaction for the oxidation of gaseous nitric oxide NO to nitrate ion NO−3 in acidic aqueous solution. Be s
    11·1 answer
  • Because of a scarcity of workers in the New World, persons were transported against their will to work on large farms without pa
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!