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
EastWind [94]
3 years ago
8

Which half-reaction correctly represents reduction?

Chemistry
1 answer:
Neko [114]3 years ago
5 0

Answer: B. Ca2+   +  2e- --------->   Ca

Explanation:

Reduction involves the gaining of electrons as well as a decrease in the oxidation state of the atom or ion.

In this case; Ca2+ gains two electrons and the oxidation state is reduced from +2 to  0.

Ca2+   +  2e- --------->   Ca

You might be interested in
How the government support communities affected by xenophobia​
Ann [662]

Answer:

They tax the citizens and then provide them with relief efforts

Explanation:

Common disease protocol

8 0
3 years ago
Read 2 more answers
What is a product of science
ddd [48]

Answer:

A product in science is a substance that is formed when two or more chemicals react.

Explanation:

When a chemical reaction takes place, a new substance is often created from the atoms or molecules of the original substances. There are often multiple products formed in a reaction.

6 0
3 years ago
If calcium has two valence electrons and fluorine has seven, how many fluorine atoms are needed to form an ionic bond with calci
MaRussiya [10]
Fluorine needs one electron to fill its orbital shell. It needs 8 valence electrons
5 0
3 years ago
Read 2 more answers
What does every atom of the same element have in common
VikaD [51]
All atoms of the same element have the same
number of protons. Every atom also has a nucleus.
5 0
3 years ago
How many moles of silver chloride are produced from 15.0 mol of silver nitrate?
Tema [17]

Answer:

15 moles

Explanation:

6 0
3 years ago
Other questions:
  • A mineral sample is obtained from a region of the country that has high arsenic contamination. An elemental analysis yields the
    8·1 answer
  • A scientist is studying a shock wave from an earthquake. What kind of wave is being studying?
    15·2 answers
  • The blank is the energy difference between reactants and products in a chemical reaction
    7·1 answer
  • Provide three different types of examples of how minerals form on earth
    5·1 answer
  • You have two 466.0 mL aqueous solutions. Solution A is a solution of silver nitrate, and solution B is a solution of potassium c
    9·1 answer
  • Pleassseee ill mark brainliest Read the following passage and find the two errors. Then, choose the answer that corrects the err
    6·2 answers
  • __________ is the attractive pull between any two objects.
    7·2 answers
  • All water is located in this layer
    9·1 answer
  • Calculate the molar solubility of Cd(OH)2 when buffered at a pH = 12.30. The Ksp for Cd(OH)2 is 2.5 x 10-14. Calculate the molar
    10·1 answer
  • Balance the equations
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!