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
vampirchik [111]
3 years ago
7

Câu 28. Khối lượng của electron tính bằng kilogam là

Chemistry
1 answer:
love history [14]3 years ago
4 0

Answer:

the answer is C

Explanation:

because is C

You might be interested in
AC current is produced by which of the following things?
pogonyaev

Answer:

B

Explanation:

5 0
2 years ago
Read 2 more answers
How many moles are in 4.24kg of Na2CO3?
frosja888 [35]
40.0 is the answer, sorry, I had some lag, I would've answered it like 5 minutes ago

Hope I helped
8 0
3 years ago
How does hydrogen bonding affect the physical properties of substances?
alekssr [168]
The melting and boiling point depend on the strength of the ihydrogen bonds. Hydrogen bonding will cause the higher the melting and boiling points because more energy is needed to break bonds between molecules.
Hydrogen bonds affect solubility in water, molecules with hydrogen bonds dissolve better in water.
4 0
3 years ago
What is 31 degrees Celsius in Fahrenheit
vovangra [49]
87.8 , 31 Celsius=87.8(88) in Fahrenheit
7 0
3 years ago
Read 2 more answers
Select all the species that are ions.<br><br> HCl<br> NaCl<br> NH4+<br> H2PO4-<br> CCl4<br> H3O+
nata0808 [166]

Answer:

NH₄⁺

H₂PO₄⁻

H₃O⁺

Explanation:

  • An ion is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  • Ion may be positively charged "cation" or negatively charged "anion".
  • Neutral molecule has a net charge of zero.

<em>So, the species that are ions are: </em>

NH₄⁺

H₂PO₄⁻

H₃O⁺

4 0
3 years ago
Other questions:
  • What is the mass in grams of 2.01 x 10(22) atoms of mercury
    10·1 answer
  • Which characteristic of atoms is the basis for the order on the Periodic Table?
    12·2 answers
  • Water is a covalent compound and doesn’t conduct electricity. With this in
    6·2 answers
  • Formic acid (HCO2H) has a dissociation constant of 1.8 x 10^-4 M. The acid dissociates 1:1. What is the [H+] if 0.35 mole of for
    15·1 answer
  • Write the appropriate symbol for each of the following isotopes: (a) Z 11, A 23; (b) Z= 28, A= 64; (c) Z= 50, A =115; (d) Z= 20,
    8·2 answers
  • Childrens chewable Tylenol contains 80.mg of acetaminophen per tablet. If the recommended dosage is 10 .mg/kg , calculate the nu
    14·1 answer
  • Question 10 of 10
    11·1 answer
  • Elements in the same __ have similar physical properties
    5·2 answers
  • For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 13.1 moles of methane, CH4 ?
    15·1 answer
  • What inert (noble) gas structure do hydrogen and carbon atoms have in sodium chloride?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!