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
andreev551 [17]
3 years ago
11

How many elements are artificially made?

Chemistry
2 answers:
babymother [125]3 years ago
5 0

Answer:

May be 119 elements are artificially made.

kvasek [131]3 years ago
5 0

Answer:

119 elements are artificially made...

You might be interested in
The indicator methyl red has different molecular structures at high and low pH.
Novosadov [1.4K]

Answer:

a. True

Explanation:

Methyl red is an indicator widely used in quality control of oxides as Zinc oxide in the titration with sulfuric acid.

As is used in titrations of acid-base reactions the indicator change in colour. Is red when the pH < 4.4 (Acidic Solutions) and is yellow when pH > 6.2 (Neutral-Basic solutions).

A change in colour means the structure of the indicator is changing with pH. Thus, the answer is:

<h3>a. True </h3>

6 0
3 years ago
Which force keeps the planets in orbit?<br><br> 1. gravity<br> 2.kinetics<br> 3.mass<br> 4.friction
zvonat [6]
Gravity is the force that keeps the planets in orbit.
4 0
3 years ago
Read 2 more answers
How much does the mass of 12.65-g sample of copper(II) nitrate hexahydrate decrease when heated?
garik1379 [7]
There is 103 percent of water in hydrate
4 0
2 years ago
A woman is trying to make sweet tea, but she just can’t seem to get it sweet enough. Which method could help her dissolve more s
Gwar [14]
The answer is C.....
4 0
3 years ago
Read 2 more answers
Which of the following statements is true? Radiation is the transfer of heat between objects which are not touching. An insulato
Licemer1 [7]

Answer:

Radiation is the transfer of heat between objects which are not touching. I think

Explanation:

3 0
2 years ago
Other questions:
  • Selecting resources with reliable credentials and expertise is?
    9·2 answers
  • A patient taking _______ would have a history of mental depression.
    10·1 answer
  • A hydrocarbon is a compound that contains mostly carbon and hydrogen. Calculate the percent composition (by mass) of the followi
    10·1 answer
  • Which scientist did people think was insane so they dismissed his ideas for almost 2000 years?
    5·1 answer
  • What is the formula of sulfurous acid?
    12·2 answers
  • It takes one oxygen to combine with two hydrogen atoms to form water. What is the mass ratio of oxygen to hydrogen? 1 to 2 4 to
    6·1 answer
  • Find mass of 4.5 moles of co2​
    14·1 answer
  • Which of the pairs below would be the best choice for a pH 5 buffer? HF/NaF, K a (HF) = 3.5 × 10-4 HC2H3O2/KC2H3O2, K a (HC2H3O2
    13·1 answer
  • Match “the same” or “different” to each sentence.
    7·1 answer
  • explain one or two things that adversely (negatively) affect the Earth's environment. How do you know that these things you're d
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!