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
Nata [24]
2 years ago
15

............................

Chemistry
1 answer:
I am Lyosha [343]2 years ago
5 0

I think the answer is A or C sorry for not having that good of an answer

You might be interested in
A basic substance consisting of only one kind of atom is called a(n) _____.
juin [17]
Answer is D) Element
6 0
3 years ago
How many oxygen atoms are there in 0.25 mole of CO2?
Anna35 [415]

Answer:

It is known that 1 mol of a molecule contains 6.023×1023 6.023 × 10 23 number of molecules. So, 0.25 moles of CO2 C O 2.

3 0
2 years ago
CNC NaCl HCL are all classified as
Leona [35]
<span>A) elements and compounds. Compounds are two combined elements.</span>
6 0
2 years ago
Describe the distribution of mass within an atom
san4es73 [151]

Answer:

The nuclei of most atoms also contain neutrons . The masses of subatomic particles are very tiny. ... Since the nucleus contains protons and neutrons, most of the mass of an atom is concentrated in its nucleus. Protons and electrons have electrical charges that are equal and opposite.

4 0
2 years ago
Read 2 more answers
I WILL MARK BRAINLIEST ANSWER!
Zina [86]

Answer:

1.

Explanation:

1. They are made up of two or more Pure substances that are not chemically bonded together and appear non-uniform

A heterogeneous mixture is not chemically combined and its components are visible and can be seen.

5 0
3 years ago
Read 2 more answers
Other questions:
  • What form of energy is used in cooking?
    14·2 answers
  • Where do scientists believe chemical evolution occurred?
    15·2 answers
  • How hot, in degrees Celsius, would the air inside the balloon have to get in order for the balloon to lift off the ground? Assum
    5·1 answer
  • The energy needed to create bonds between two hydrogen molecules is measured in units called __________
    8·1 answer
  • Which glacial landforms require more than one glacier to form
    15·2 answers
  • Density is calculated by solving for a mass divided by ______
    6·1 answer
  • A gas company has the following rate schedule for natural gas usage in single-family residences:
    15·1 answer
  • What is called oxidizing agent and reducing agent?
    10·1 answer
  • Biacetyl, the flavoring that makes margarine taste "just like butter," is extremely stable at room temperature, but at 200°C it
    9·1 answer
  • Two liquids are combined and a gas is released is this a chemical change?​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!