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
aksik [14]
3 years ago
9

The smallest unit of an element that retains all the characteristics of that element is called a(n)

Chemistry
1 answer:
Maksim231197 [3]3 years ago
3 0
<span>The smallest unit of an element that retains all the characteristics of that element is called an A. atom.
Atoms consist of protons, electrons, and neutrons, but they are particles and don't have the characteristics of the element which is why D is incorrect. B and C are not the smallest units - atoms are smaller than them.
</span>
You might be interested in
Evaporation and boiling points are the same process, because molecules move from liquid to a gas state
galben [10]

Answer:

false evaporation is change of state

boiling point is temperaturw of liquid

6 0
3 years ago
Read 2 more answers
What is the frequency of a photon that has a wavelength of 6.58 x 10-8m?
julsineya [31]

Answer:

6 x 10 (power to the 15) H2

5 0
3 years ago
Read 2 more answers
For the parts in a system to work correctly, the parts must be arranged or built upon in a particular order. What is the correct
mixas84 [53]

Answer:

cell

tissue

organ

organ system

6 0
3 years ago
Read 2 more answers
Which chemical equation shows that the total mass during a chemical reaction stays the same?
k0ka [10]

Answer:

  • Option A) <u><em>Mg + Cl₂ → MgCl₂</em></u>

Explanation:

The law of conservation of mass is guaranteed in a chemical equation. Since the mass of the atoms do not change, that means that the number of each kind of atoms in the reactant side is equal to the number of atoms of the same kind in the product side.

The first equation is:

<em><u>A) Mg + Cl₂ → MgCl₂</u></em>

<u />

Number of atoms:

        atom      Reactant side        Product side

          Mg                1                              1

           Cl                 2                             2

Therefore, the table displays that there are the same number of atoms of each kind on both sides, showing that<em> the total mass during the chemical reaction stays the same.</em>

<u />

<em><u>B) NaOH + MgCl₂ → NaCl + MgOH</u></em>

This equation displays 2 atoms of Cl on the left side and 1 atom of Cl on the right side; thus, it is not showing that the total mass stays the same during the chemical reaction.

<em />

<u><em>C) 2Na + 2H₂O → NaOH + H₂</em></u>

Neither the sodium, nor oxygen, nor hydrogen atoms are balanced. Thus, this does not show that the total mass stays the same.

<u><em /></u>

<u><em>D) H₂O + O₂ → H₂O</em></u>

The reactant side contains 3 oxygen atoms and the product side contains 1 atoms of oxygen; thus, this is not balanced: it does not show that the total mass stays de same during the chemical reaction.

5 0
3 years ago
Read 2 more answers
What elemental trend exists as we move down a column on the periodic table?
ella [17]
I think it is A, but I am not sure.
5 0
3 years ago
Read 2 more answers
Other questions:
  • What items are true about a block of ice at -10°C as you continue to apply heat
    12·1 answer
  • How much organic chemistry do i need to know for polymers?
    10·1 answer
  • Solutions
    10·1 answer
  • Oil is a powerful source of energy used for cars, machines, and many other purposes. While studying sources of energy that could
    11·1 answer
  • PLLEEEEEESE help idk where to look for answers
    7·1 answer
  • Which of the following is a precipitate in the reaction below?
    15·1 answer
  • Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?
    12·2 answers
  • Sodium combines with chlorine to produce sodium chloride formula equation and balanced ​
    8·1 answer
  • Explain your thoughts on whether or not using solely IR is a good method to make positive IDs of chemicals.
    8·1 answer
  • the two stages that take place during distillation are. a.evaporation is folloeed by condensation. b.condensation followed by ev
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!