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
horrorfan [7]
2 years ago
14

Atoms and elements are examples of A. molecules. B. mixtures. C. compounds. D. pure substances.

Chemistry
1 answer:
UkoKoshka [18]2 years ago
3 0

Answer:

atom are very tiny partical

You might be interested in
Need chem help asap
gavmur [86]

Oh I’m so4+ds2=563

Which is the answer

5 0
3 years ago
Are the following statements true or false? (a) Formal charges represent an actual separation of charges. true false (b) ΔH o rx
katrin [286]

Answer:

Explanation:

A) Formal charges represent an actual separation of charges.(FALSE)

(B) ΔHo rxn can be estimated from the bond enthalpies of reactants and products.(TRUE)

C)All second-period elements obey the octet rule in their compounds(FALSE).

(D)The resonance structures of a molecule can be separated from one another in the laboratory.(FALSE)

Bond enthalpy which is also reffered to as bond energy is the amount of energy that is required to break one mole of a bond.

taking the single bond between Oxygen and Hydrogen into considerationthe bond energy between their single bond is 463 kJ/mol.

formal charge is used for the comparison of the number of electrons present around an atom in a particular molecule with the number of electrons present around a neutral

3 0
3 years ago
Which statement is true for photosynthesis
grigory [225]

Answer: all  of them duuuuuuuuuuuuuuuuuuuuuuuuuuuuu

5 0
3 years ago
A 10.0 gram sample of Fe contains how many miles of Fe
Dafna1 [17]

Answer:

1.7857 moles

Explanation:

moles=mass/Mr

10/56=1.7857

moles of iron =1.7857

4 0
2 years ago
Which subatomic particle is not found at the center of the atom?
Snezhnost [94]
The answer is nucleus
8 0
3 years ago
Read 2 more answers
Other questions:
  • What is the theoretical yield of so3 produced by the quantities described in part a? express your answer numerically in grams?
    8·1 answer
  • What is the correct interpretation of the mole ratios for the elements in
    10·1 answer
  • Does the amount of a substance affect the properties of a substance?
    12·1 answer
  • For the reaction 2 HCl + Ca ( OH ) 2 ⟶ CaCl 2 + 2 H 2 O how many grams of calcium hydroxide, Ca(OH)2, are needed to react comple
    6·1 answer
  • Why is a 13 placed in front of the oxygen on the perodic table
    10·1 answer
  • A rocket will rotate about a single point called the _?
    12·2 answers
  • B) How many kilojoules of heat will be released by the combustion of 22.52 g of this liquid at
    5·1 answer
  • Calculate the final concentration of each of the following:
    9·1 answer
  • 5) 3Na2SO4
    5·1 answer
  • What is the rate of a reaction if the value of kis 3 and [A] and [B] are each 2
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!