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
Minchanka [31]
3 years ago
5

Grade 8 Science

Chemistry
1 answer:
ira [324]3 years ago
8 0
Materials<span> and their </span>properties<span>: </span>compounds like<span> sodium chloride - an interactive educational resource for 11 to 14 year olds. ... Elements are substances (</span>like<span> hydrogen and oxygen) that can't be split into simpler substances. ... For </span>each<span> statement, decide whether it describes a mixture or a </span>compound<span> and check the box.</span>
You might be interested in
Newton's second law states that force is equal to
Fantom [35]
Newton’s second law states that force is equal to mass times acceleration.
4 0
3 years ago
Name two factors that influence the viscosity of a lava flow
mr_godi [17]
Three factors that affect magma viscosity are temperature, composition, and presence of dissolved gases. 
6 0
3 years ago
a 200g peice of metal at 19C is added to 80g of water at 60C in a styrofoam cup(for insulation). the temperature of the water is
wariber [46]

Answer:80g of water at 60C in a styrofoam cup(for insulation). the temperature of the water is cooled at 54.7C. Find the - 218… ... Assume that the final temperatures for the water and the metal are the same. make sure to use the correct sign ... h-h +cl+cl____2h-cl... calculate the energy needed to break the bond​.

Explanation:

3 0
3 years ago
What test would be done to prove the color of specific compounds is due to metal ions apart from flame test
bulgar [2K]

Answer:

Borax bead test

Explanation:

Another test that can be used to identify colored ions in a specific compound such as salt is called "Borax bead test".

This test involves use of a clear glassy bead of borax that is joined together in a wire loop which is going to be involved in chemical reaction with the salts of certain metals.

This reaction will produce colors that we can use to identify the exact metal ions that are present.

8 0
3 years ago
How could an alpha particle pass straight through the metal foil and strike the center of the phosphor screen on the other side
EleoNora [17]
It was due to the metal foil in which the alpha particles can't even pass through. This experiment conducted by Rutherford led to the discovery of protons.
4 0
4 years ago
Other questions:
  • Devon’s laboratory is out of material to make phosphate buffer. He is considering using sulfate to make a buffer instead. The pk
    7·1 answer
  • Human use of groundwater has _______ over time.
    12·1 answer
  • Why is Cl and Br chemically similar?
    8·1 answer
  • Need help asap!! pls thank u
    5·2 answers
  • Bimetallic strip over a flame, the strip was straight. When she placed the bimetallic strip in the flame, the strip started
    7·1 answer
  • When is a chemical equation considered balanced
    8·1 answer
  • What are duplet and octet elements ?Differentiate.​
    8·1 answer
  • Which of the following is a balanced chemical equation?
    14·2 answers
  • Which evidence cannot be found in spoiled foods?
    12·1 answer
  • Why do we balance chemichal reactions
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!