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
goblinko [34]
3 years ago
14

What is a substance?

Chemistry
2 answers:
Stella [2.4K]3 years ago
6 0
The answer you are looking for is A. :)
patriot [66]3 years ago
5 0

Answer:

Answer is A: a uniform mixture that can’t be separated

Explanation:

You might be interested in
Which formed first: hydrogen nuclei or hydrogen atoms?
Mama L [17]
This sounds very much like a chicken-egg problem.

The first thing that formed must be hydrogen nuclei. The only other alternative is that the atom was created instantly, and the nuclei sprang forth at the same time as the atom, meaning that neither was technically first. The logic is that an atom can’t form without a nucleus, but it theoretically could be created instantly.
6 0
3 years ago
Ionization energy is a measure of the ability of atoms to attract electrons within a bond. True False
Xelga [282]

Answer:

The correct option is False

Explanation:

Ionization energy is the <em>minimum amount of energy required to remove a valence electron from one mole of an atom in it's gaseous state</em>. Ionization energy requires the removal of an electron from a gaseous atom. The definition in the question is that of electronegativity.

Electronegativity is the <u>ability of an atom to attract electrons towards itself in a chemical bond.</u>

5 0
3 years ago
Large-scale environmental catastrophes _______.
Ymorist [56]

Answer:

D. All of the Above

Explanation:

i just took the test on edgenuity

3 0
3 years ago
A combination reaction occures when one element replaces another element in a compound during a chemical reaction
PIT_PIT [208]
That is false.... I hope this is true or false
5 0
3 years ago
Which of the following would be a qualitative observation? A The volume of the solution is 25 ml B The solution turned blue C Th
mariarad [96]
B

A qualitative observation describes the characteristics of a substance without quantifying them.
3 0
3 years ago
Other questions:
  • What is the mass of the light bulb and paperclips together?
    9·2 answers
  • 5. Mr. Martin's Spanish class is 45 minutes long. If it starts at 3:30, what time does it end?
    13·2 answers
  • Lead(2) sulfate yields to lead(2)sulfite and oxygen
    14·1 answer
  • 500.0 liters of a gas I'm prepared at 700 point mmHg and 200.0 C the gas is placed under a tank under high pressure when the 10
    10·1 answer
  • Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 1.27 cubic meter of water.
    5·1 answer
  • Which ion will oxidize Fe? 1) Zn+2 2)Ca+2 3) Mg+2 4) Cu+2
    8·1 answer
  • Chemicals that are able to slow or stop the reaction rate are inhibitors. reactants. products. catalysts.
    13·2 answers
  • Which of these is a characteristic of science? (5 points) Question 1 options: 1) It cannot be reproduced by any scientist. 2) It
    8·1 answer
  • Noooo links What is a biome?
    8·2 answers
  • Which drug is derived from the hemp plant?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!