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
Dmitriy789 [7]
3 years ago
10

A filament of a light bulb is made from a pure sample of tungsten.

Chemistry
1 answer:
GenaCL600 [577]3 years ago
8 0

Answer:

The correct options are:

1) Pure chemical substance

2) Element.

Explanation:

each of the term is explained below:

1) <u>Mixture: </u> Since tungsten is an element in periodic table thus it is not a mixture.

2) False by definition of mixture.

3) false by definition of mixture.

4) <u>Solution:</u> Tungsten in a filament is in solid form hence solution is incorrect.

5) Since it is given in the question itself that the sample is pure hence option 'E' is correct as chemical substance is a pure substance that has a homogeneous composition and the sample in the question is given as pure.

6) <u>Compound:</u> By definition of compound it is formed by mixing 2 or more elements but since tungsten is an element that occurs independently in nature hence it is not a compound.

7) Tungsten is a element in the periodic table with atomic number 74.

You might be interested in
19) Which one of the following statements describes a chemical property of hydrogen gas?
Rom4ik [11]
B) hydrogen gas burns in air.

explanation: the rest are physical properties.
3 0
3 years ago
What are the properties of an ionic bond?
Goryan [66]

Answer:

Ionic Compounds have high boiling and melting points as they're very strong and require a lot of energy to break. The electrostatic forces of attraction between oppositely charged ions lead to the formation of ions. Ionic compounds form crystals. These compounds are brittle and break into small pieces easily.

Explanation:

3 0
3 years ago
URGENTE!!!!!!!!!!!!!!
yawa3891 [41]

Answer:

English language please give me a

3 0
3 years ago
Which one of the following compounds is diiodine heptoxide
MaRussiya [10]

Answer:

Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements. The prefix di- is of Greek origin, meaning "two

Explanation:

3 0
3 years ago
✎11. How does changing the Amplitude​ affect the wavelength?
ASHA 777 [7]
What grade are you in
8 0
2 years ago
Other questions:
  • Two beakers contain clear. colorless liquids. When the contents of the beakers are mixed a white solid is formed, (a) Is this an
    10·1 answer
  • A rock has a mass of 210 grams and occupies a volume of 70 cm3. What is its density?
    10·1 answer
  • The summer is caused by __________.
    15·1 answer
  • How to identify sodium hydroxide,hydrochloric acid,ans=d sugar solution when we only have blue litmus paper
    6·1 answer
  • PLEASE HELP!!!!!!!
    15·1 answer
  • HELP PLEASE!!!!!!!
    6·1 answer
  • The outline of a partial periodic table is shown.
    15·2 answers
  • Hydrogen has three isotopes, which include hydrogen, deuterium, and tritium with
    7·1 answer
  • think about the statement "every decision has an environmental impact"?what decision do you make that add carbon dioxide to the
    13·2 answers
  • Describe the difference between accuracy and precision. How do these two concepts relate to the idea of significant digits?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!