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
LiRa [457]
3 years ago
6

Elements may have similar properties and we can use the periodic table to help us determine what they are. These three elements

are alike in many ways but they do not share ALL properties. What property do these elements NOT have in common?
Chemistry
2 answers:
Reil [10]3 years ago
8 0
They don’t have the Noble gases
Vika [28.1K]3 years ago
7 0

Answer:

same number of valence electrons

Explanation:

You might be interested in
Complete the following table based on known properties of ionic and covalent compounds.
TiliK225 [7]

Answer:

structure of KF - ionic

Explanation:

6 0
3 years ago
All the elements in period 3 have this characteristic
Studentka2010 [4]

Answer:

The answer would be C). All of the elements inside a period will always have the same amount of shells. Hope this helps!

7 0
3 years ago
Read 2 more answers
an element has an isotope with a mass of 203.973 amu and and abundance of 1.40%. another isotope has a mass of 205.9745 amu with
ryzh [129]

Answer is: the average atomic mass 217.606 amu.

Ar₁= 203.973 amu; the average atomic mass of isotope.

Ar₂ = 205.9745 amu.

Ar₃ = 206.9745 amu.

Ar₄ = 207.9766 amu.

ω₁ = 1.40% = 0.014; mass percentage of isotope.

ω₂ = 24.10% = 0.241.

ω₃ = 22.10% = 0.221.

ω₄ = 57.40% = 0.574.

Ar = Ar₁ · ω₁+ Ar₂ · ω₂ + Ar₃ · ω₃ + Ar₄ · ω₄.  

Ar = 203.973 amu · 0.014 + 205.9745 amu · 0.241 + 206.9745 amu · 0.221 + 207.9766 amu · 0.574.

Ar = 2.855 amu + 49.632 amu + 45.741 amu + 119.378 amu.

Ar = 217.606 amu.

But abundance of isotopes is greater than 100%.

It should be lead, with the fourth isotope weighs 207.9766 amu and an abundance of 52.40.

7 0
3 years ago
I’m only having a problem with this number that’s all if anyone could help I would really appreciate it! Thank you!
Masja [62]

Answer:D.

Explanation:i used photo math. It is really helpful when I'm doing math homework etc...

7 0
3 years ago
At what temperature and pressure can all three phases of water exist simultaneously?
Rzqust [24]
Thirty seven I think
8 0
3 years ago
Read 2 more answers
Other questions:
  • 34.9 cL = _____ hL 0.349 0.0349 0.00349 349,000
    15·1 answer
  • Select the classification for the following reaction. 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g) a. precipitation b. acid-base c. redo
    14·1 answer
  • Explain why critical thinking is particularly important when evaluating promotional materials​
    14·1 answer
  • Mention 6 products from coal tar as a result of destructive distillation of coal
    7·1 answer
  • Combustion analysis of a 13.42-g sample of the unknown organic compound (which contains only carbon, hydrogen, and oxygen) produ
    7·1 answer
  • Explain the large difference in boiling points between CH4 and CBr4
    9·1 answer
  • Consider the titration curve below
    5·1 answer
  • Which is the top layer of groundwater?
    14·2 answers
  • A metal (C = 0.2158 cal/g· °C) is removed from a hot (350. °F) oven in which it had achieved thermal equilibrium. The metal is p
    10·1 answer
  • Using the solubility curves, approximately how many grams of NaNO3 can be dissolved in 100. grams of water at 80 °C?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!