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
natka813 [3]
3 years ago
6

Whats a chemical change

Chemistry
1 answer:
Salsk061 [2.6K]3 years ago
5 0

chemical changes occur when a substance combines with another to form a new substance called chemical synthesis or alternatively chemical decomposition into two or more different substances these processes are called chemical reactions and in general are not reversible except by further chemical reactions

You might be interested in
Please help me which one
mel-nik [20]
Non of the above because protons and neutrons don’t mix with each one there
3 0
1 year ago
Which chemical element has the shortest name?
larisa86 [58]
Tin would be the right answer
5 0
2 years ago
Read 2 more answers
In the compound aluminum oxide, which is the cation?
8090 [49]

Answer:

-Aluminum Oxide: The cation is Al3+ and the anion is O2-. The sum of the charges for aluminum oxide is 2(3+) + 3(2-) = 0. Thus, the formula is Al2O3. An ionic compound is named using the name of the cation followed by the name of the anion, eliminating the word ion from each.

Explanation:

7 0
2 years ago
How many square km is 2.5 x 107 m2 (don't write your answer in scientific notation)
jek_recluse [69]

Answer:

0.0002675 square km that's all (if you want it in feet just comment below this)

Explanation:

3 0
2 years ago
Which has more particles, a mole of copper (Cu) atoms or a mole of neon
goldfiish [28.3K]

Answer:

D

Explanation:

it is neon because neon has a higher atomic number so it would have more protons and neutrons and electrons in one atom thus having more particles in one mole

7 0
3 years ago
Read 2 more answers
Other questions:
  • In the reaction Mg+Cl2=MgCl2 what should be the coefficient for Cl2
    13·2 answers
  • How does water help cells keep an even temperature despite temperature changes in
    9·1 answer
  • Percent occurrence and isotope masses for oxygen: 99.759 % at 15.99491 amu, 0.037% at 16.99913 amu and 0.204% is at what amu val
    15·1 answer
  • Who Invented microscopes? (This one is for fun. I will be giving away 50 points to the first person!)
    6·1 answer
  • A scientist wants to make advances in the way skin cancer patients are
    8·1 answer
  • What is chemical equilibrium?​
    13·2 answers
  • A sample of iodine is easiest to ship as a powder because it is making it easy to break into small pieces.What goes in the blank
    7·2 answers
  • Ice and water constitute a system:
    11·1 answer
  • Anybody wanna help me with number 22? (Chemistry)
    9·1 answer
  • An element gains 3 electrons to become stable. What is the new ion's charge?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!