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
algol [13]
3 years ago
8

Which element had the longest effect on human history?

Chemistry
1 answer:
Dovator [93]3 years ago
6 0
Oxygen I guess :)))       

You might be interested in
Enumere por lo menos 5 objetos que antiguamente se hacían con otro material y en la actualidad se hacen con un polímero. Identif
Kay [80]

Translation: List at least 5 objects that were formerly made from another material and are now made from a polymer. Identify what polymer it is

Answer:

Five object now replaced with polymers

1) automobile body parts. (polypropylene, polyurethane and PVC)

2)TV cabinets. (polystyrene polymer)

3) composites for golf clubs. (carbon fibre reinforced polymer CFRP)

4) fibers for clothing and carpet. (acrylic and nylon)

5) foams for coffee cups (polystyrene)

4 0
3 years ago
A student writes the following explanation of how certain molecules are formed.A process is used to chemically link smaller unit
tensa zangetsu [6.8K]

Answer:

polymerization

Explanation:

Student is explaining the process of formation of a polymer and the process is called polymerization.

Polymer is made up of joining repeating units. The repeating units are called monomers.  

Properties of the polymer is determined by the structure of monomer molecule.

For example, consider a well-known polymer Teflon.is made by the polymerization of tetrafluoroethane.  

Thus, the student is explaining polymerization.

8 0
3 years ago
El aguacate al oxidarse, ¿que fenómeno es?, ¿físico, químico o alotropicos?​
devlian [24]

Explanation:

WE A është ai Në The H Përshëndetje Nme është

3 0
3 years ago
What is the total number of different elements present in NH4NO3
Nookie1986 [14]
 <span>3 elements 
Nitrogen 
Hydrogen 
Oxygen 

2 nitrogen 4 hydrogen and 3 oxygens 
there are only 3 different elements</span>
4 0
3 years ago
Read 2 more answers
What does an atom become when it gains an electron in an ionic bond?
Elden [556K]
It becomes a acceptor because in an ionic bonding the element who gives out is a donor while the atom which accept is a acceptor

7 0
3 years ago
Other questions:
  • If glucose is the sole energy source, what fraction of the carbon dioxide exhaled by animals is generated only by the reactions
    12·2 answers
  • What is the chemical name for CaCO3?
    7·2 answers
  • A solution with the concentration of 0.15 M is made using 8.00 grams of K2CrO4. How many milliliters of H2O should be used?
    6·1 answer
  • What happens when elements are chemically combined?
    12·2 answers
  • Explain why are metals good conductors and why covalent bonds are not
    8·1 answer
  • For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a
    6·2 answers
  • What is the electrical power generated from a voltage of 12.3 V if the current is 9.42 amps
    14·1 answer
  • When elements form compounds, the elements
    11·1 answer
  • Fill in the blanks
    5·1 answer
  • Perform the following operation and express the answer in scientific notation 8.6500x10^3+6.5500x10^5
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!