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
Vladimir79 [104]
4 years ago
13

Why all stable elements are not unreactive?????? ​

Chemistry
2 answers:
pickupchik [31]4 years ago
7 0

Answer:

Noble gases are the least reactive of all elements

Explanation:

because they have eight valence electrons, which fill their outer energy level

barxatty [35]4 years ago
4 0

Answer:

<em>noble</em><em> </em><em>acti</em><em>on</em><em> </em><em>are the </em><em>lest</em><em> </em><em>reactive</em><em> </em><em>of</em><em> </em><em>all</em><em> </em><em>eleme</em><em>nts</em>

You might be interested in
Some scientists believe that comets originate from the...​
deff fn [24]

Answer:

Scientists believe that comets are the debris left from the solar nebula which condensed to form the Sun and planets in our solar system. Most comets are thought to originate in a huge cloud called the Oort Cloud. ... Comets follow a regular orbit around the Sun.

Hope this helps! :)

Explanation:

3 0
4 years ago
A rock that has a mass if 180 grams dropped in a graduated cylinder that was originally filled to 52ml; it now reads 62ml. What
Vlad [161]

Answer:

<h2>18 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

volume = final volume of water - initial volume of water

volume = 62 - 52 = 10 mL

From the question we have

density =  \frac{180}{10}  \\

We have the final answer as

<h3>18 g/mL</h3>

Hope this helps you

5 0
3 years ago
A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water at 100 °C, with precautions taken to avoid evaporation of
kvasek [131]

Answer:

Saturated solution

Explanation:

Saturated solution is the solution in which no more solute can be dissolved at a particular temperature.

A amount of the solute, potassium nitrate is dissolved at elevated temperature and on cooling, it precipitates. It means that the solution is saturated at that temperature. <u>Precipitation of the solute at lower temperature indicates that the solution is saturated solution.</u>

8 0
4 years ago
What occurs in an exothermic reaction?
xxTIMURxx [149]

Answer:

B

Explanation:

exo - thermic     exo  as  external    thermo like thermometer

  external heat....heat is produced and given off

8 0
2 years ago
Read 2 more answers
You are investigating an organic compound. you discover the following: it contains no hydrogen atoms. what property do you expec
Juli2301 [7.4K]

the answer is C because it has no water there will be nothing to boil and odor has nothing to do with hydrogen

I hope this helps! :)

-Ayden

5 0
3 years ago
Read 2 more answers
Other questions:
  • A chemist wishes to decrease the vapor pressure of a large volume of water. Which amount of solute will decrease it the most? (N
    9·2 answers
  • Which indicator most likely suggests that a chemical change is taking place?
    7·2 answers
  • What is the orbital diagram for fluorine?
    11·1 answer
  • Which type of soil is the most porus
    11·1 answer
  • A mass of 34.05 g of H2O(s) at 273 K is dropped into 185 g of H2O(l) at 310. K in an insulated container at 1 bar of pressure. C
    15·1 answer
  • A sample of thionylchloride, SOCl2, contains 0.206 mol of the compound. What is the mass of the sample, in grams?
    7·2 answers
  • Somebody please help asap​
    5·2 answers
  • How many neutrons are in an atom with the atomic number of 15 and an atomic mass number of 34? А. A ? 19 B В ? 2 15 C. ? 34​
    12·1 answer
  • How many molecules are in each sample? 4.9 g H2O
    14·1 answer
  • Write equations for the following: (b) an addition reactionbetween cyclohexene and Cl₂;
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!