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
Leona [35]
3 years ago
8

In the periodic table, the period number indicates

Chemistry
1 answer:
sergey [27]3 years ago
8 0

Answer: option B. The number of the outer most energy level for elements in that period

Explanation:

You might be interested in
The metal zirconium becomes superconducting at temperatures below 3.4000K.
dybincka [34]

Answer:

-269.75 degrees Celsius

Explanation:

7 0
3 years ago
If the oxidation number of an atom decreases, the atom has undergone oxidation.
Bumek [7]

Oxidation is a process when an atom, a group of atoms, or an ion loses electrons.

For example,

Cu⁰ -------> Cu⁺² + 2e⁻. This is an oxidation process.

As we can see an oxidation number was 0, and it became +2. The oxidation number is increased. Oxidation number of the atom, when an atom has undergone oxidation, increases.

So, answer is b.False.

8 0
3 years ago
Which is associated with a fission reaction? *
podryga [215]

Answer: Radioactive waste

Explanation:

The nuclear fission reaction consists of heavy atomic particles or heavy nucleus, like plutonium and uranium and in radioactive heavy metals. In the fission reaction the nucleus get split into equal masses of particles. This process is associated with release of large amount of energy. The fission of radioactive waste can cause deadly mutations in living beings.      

6 0
3 years ago
Does a chemical bond join atoms together in a water molecule?
MrRissso [65]
Yes. 

A covalent bond holds it together, which is chemical. 
3 0
2 years ago
Think about the decomposition reaction of ozone.
____ [38]

Answer:

3441.6 grams.

Explanation:

2 O₃ → 3 O₂

First we <u>convert 71.7 moles of ozone (O₃) into moles of oxygen gas (O₂)</u>, using the <em>stoichiometric coefficients</em> of the reation:

71.7 mol O₃ * \frac{3molO_2}{2molO_3} = 107.55 mol O₂

Then we <u>convert 107.55 moles of O₂ into grams</u>, using the <em>molar mass of O₂</em>:

107.55 mol * 32 g/mol = 3441.6 g

3 0
3 years ago
Other questions:
  • A compound is found to contain 13.65 % carbon and 86.35 % fluorine by mass. To answer the question, enter the elements in the or
    5·1 answer
  • Which of the following is a major difference between lactic acid and alcohol fermentation?
    13·1 answer
  • A substance is present in the gaseous state at room temperature. Which of the following best explains the probable position of t
    7·2 answers
  • 3) (2 points) The phenolic indicator (In-OH) has approximately the same pKa as a carboxylic acid. Which H is the most acidic pro
    11·1 answer
  • As you have seen in this lab, the density of water is near 1 g/cm3. Anything with a density lower than this will float in water,
    9·2 answers
  • Should couples wanting to start a family undergo genetic testing to minimize risk to their offspring
    15·1 answer
  • Can renewable energy <br> be used again and again?
    15·1 answer
  • What is space biology?? <br>​
    13·1 answer
  • Can someone help me with this??
    9·2 answers
  • C3H8 + xO2 &gt; 3CO2 + yH2O<br> which value of x and y balance the equations
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!