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
vlada-n [284]
3 years ago
12

Please help with chemistry homework (I’ll mark brainliest!)

Chemistry
1 answer:
masha68 [24]3 years ago
6 0

Answer:

You answer is correct

Electrons have a negative charge. The charge on the proton and electron are exactly the same size but opposite. Neutrons have no charge.

Thank you and please rate me as brainliest as it will help me to level up

You might be interested in
CaCN2 + 3H20 - CaCO3 + 2NH3
ANTONII [103]

Answer:3

Explanation:

6 0
3 years ago
How does atomic radius change from top to bottom in a group in the periodic table?
suter [353]
The atomic radius increases as you would go down a particular group on the periodic table of elements. This is because along with a greater number of protons, there would also be electrons as well, and thus the need of electron shells surrounding the atom would also be required, to compensate for the more electrons, as according to the bohr model, each shell contains 8 electrons in its electron shell. Thus the distance from the nucleus to the outermost shell increases, the atomic radius.
4 0
3 years ago
Read 2 more answers
The sodium-potassium exchange pump
trapecia [35]

Answer: The correct answer is option E

Explanation:

Sodium/potassium pump is a mechanism that involves the movement of sodium ions (Na+) out of a cell and potassium ions (K+) into a cell, thereby regulating concentration of ions on both sides of a typical cell membrane.

In this situation, the sodium-potassium pump is usually helps in the establishment of the resting potential. The potassium voltage channels normally closes before the membrane potential is brought to a resting level.

In summary, sodium/potassium pump helps to maintain a balance in the system.

6 0
3 years ago
What can Be done to reduce the negative impact of pollution
Snowcat [4.5K]
Get a majority of the world to go green
3 0
3 years ago
Why do crystals form during crystallisation
Mazyrski [523]

Answer: Crystallization is a technique which chemists use to purify solid compounds. Crystals often form in nature when liquids cool and start to harden. Certain molecules in the liquid gather together as they attempt to become stable. They do this in a uniform and repeating pattern that forms the crystal. The process is based on the principles of solubility: compounds (solutes) tend to be more soluble in hot liquids (solvents) than they are in cold liquids. If a saturated hot solution is allowed to <u>cool</u>, the solute is no longer soluble in the solvent and forms crystals of pure compound. Impurities are excluded from the growing crystals and the pure solid crystals can be separated from the dissolved impurities by filtration.
For an example the salt we get from seawater can have many impurities in it. Hence, the process of crystallization is in use to remove these impurities.

∩_∩
(„• ֊ •„)♡
┏━∪∪━━━━┓
   hope it helped
┗━━━━━━━┛

3 0
2 years ago
Read 2 more answers
Other questions:
  • What must happen before a body cell can begin mitotic cell division
    7·1 answer
  • HELP!!! PLEASE!! I don't know this one question!!!
    9·1 answer
  • Is table salt an example of a substance?
    14·1 answer
  • What is the ionic equation for HC2H3O2(aq)+NH4OH(aq)=NH4C2H3O2(aq)+H2O
    12·1 answer
  • 2. A chemical reaction occurs when substances interact and their atoms
    8·1 answer
  • A chemist prepares a solution of copper(II) sulfate by measuring out 17.2 of copper(II) sulfate into a volumetric flask and fill
    5·2 answers
  • Benzaldehyde and benzyl alcohol can be distinguished by NMR. The proton on the aldehyde group will appear at approximately _____
    7·1 answer
  • Which element has the least density at STP?
    11·1 answer
  • What is biodiversity?
    7·2 answers
  • Please do 1-5! giving 5 stars and thanks if right!
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!