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
kirill115 [55]
4 years ago
8

Classify each substance below as an atomic element, a molecular element, a molecular compound or an ionic compound.

Chemistry
1 answer:
Nikolay [14]4 years ago
5 0
Atomic elements are Ag and Cr, molecular elements I2, F2, and molecular compound CO2,Al2O3, and ionic compounds are HBr, KCl
You might be interested in
What charge does a covalent bond have?
lys-0071 [83]
Basically a covalent bond would have been made based on two atoms so that it can collaboratively set a trace of more electrons. Although there is no atom that is zero which if it had that then it would considerably be a net charge which it is not from this problem. What makes it unique about it is that this attractive force from creating the bond of the electrons that would be purposely activated that are the nuci for constructive used into two atoms.
8 0
3 years ago
Why is Azulene aromatic ?
evablogger [386]
Add 2 that’s why and I said if
3 0
3 years ago
Which of the following expressions is the correct equilibrium-constant expression for the equilibrium between dinitrogen tetroxi
nekit [7.7K]

Answer:

D. [NO₂]²/[N₂O₄]

Explanation:

The equilibrium constant expression for a reaction is products over reactants. Since NO₂ has a coefficient of 2, it will become an exponent.

So, it would be:

[NO₂]²/[N₂O₄]

Hope that helps.

3 0
3 years ago
Help PLEASE> If two or more substances are combined what is always created?
Alenkinab [10]

Two or more elements combined into one substance through a chemical reaction, such as water, form a chemical compound.

7 0
4 years ago
Read 2 more answers
According to the lab guide, which changes below will you look for in order to test the hypothesis? check all that apply. changes
viktelen [127]

Answer:

All of them are.

Explanation:

8 0
4 years ago
Read 2 more answers
Other questions:
  • 2NH3 → N2 + 3H2 If 2.22 moles of ammonia (NH3) decomposes according to the reaction shown, how many moles of hydrogen (H2) are f
    15·1 answer
  • Why can gasses change volume?​
    12·2 answers
  • What is the mass of sodium (Na) in 50 grams of table salt (NaCl)? Show your work.
    11·2 answers
  • A valve to a new chamber in the bottle is opened, and the gas expands to 2 x 10-3 m3. (The gas does no work in this process beca
    14·1 answer
  • ?SiCl4(I) + ?H2O(I) = ?SiO2(S) + ?HCI(aq)​
    12·2 answers
  • In a closed system, how will a decrease in pressure affect the following reaction: N2O4(g) ⇌ 2NO2(g)?
    10·1 answer
  • Dissolving 4.02 g of CaCl2 in enough water to make 349 mL of solution causes the temperature of the solution to increase by 3.91
    8·1 answer
  • Is burning physical or chemical change?
    9·2 answers
  • Does the atomic mass of an atom change when an electron is added or removed?
    14·2 answers
  • Analytical chemistry has two branches, _____, that are important to forensic chemistry. qualitative and quantitative qualitative
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!