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
Iteru [2.4K]
4 years ago
7

Fourth period metalliod a very semiconductor material

Chemistry
1 answer:
valentina_108 [34]4 years ago
5 0
The metalloids, elementes with properties in between metals and no metals are: boron, B; silicon, Si; germanium, Ge; arsenic, As; antimonium, Sb; tellurium, Te; polonium, Po; and astatine, At.

Germaniun and arsenic belong the the fourth period.

Germanium is an important semiconductor, very used in transistors and integrated circuits, while arsenic has different uses (it is not a semiconductor).

Therefore, the answer is germanium.



You might be interested in
When cells are dividing, it is
DiKsa [7]

Answer:

Chromosome is basically made of DNA and proteins.

Explanation:

Chromosomes contain thread like structure present inside the nucleus of the cell.Chromosome is generally made of DNA and proteins(Histone proteins).

      The DNA is wrapped around the basic protein histone to provide support  the chromosome structure.

    The  wrapping of DNA around the histone proteins helps in the formation of nucleosome which helps in the packing of DNA inside the chromosome.

8 0
3 years ago
How would Earths revolution be affected if it had a larger orbit??
Sidana [21]

Answer:

When the Earth rotates on its axis, it prevents air currents from going in a straight line to the north and the south from the equator. It results in one of the effects of rotation of the Earth: the Coriolis Effect.

4 0
3 years ago
I have no idea how to do this and need help
den301095 [7]

Answer:

60.55%

Explanation:

nO3=155/48

nO2 used: 3/2nO3=4.84375

percent yield: 4.84375/8=60.55%

5 0
3 years ago
How many protons are in an atom of strontium?
Stells [14]

Answer:

38

Explanation:

Symbol: Sr

Atomic mass: 87.62 u

Electrons per shell: 2,8,18,8,2

Atomic number: 38

Electron configuration: [Kr] 5s2

Van der Waals radius: 255 pm

Valence electrons: two

7 0
4 years ago
Which kind of investigations allow for the control of variables?
Butoxors [25]

Answer:

the answer to this is O hypothesis

5 0
3 years ago
Other questions:
  • A polymer contains monomers linked by
    12·1 answer
  • What is the universal force of attractions between bodies
    15·1 answer
  • The structure of a solid is due to its
    9·1 answer
  • An atom with an equal number of electrons and protons has no _________.
    10·1 answer
  • PLEASE I WILL PUT YOU AS BRAINLIEST, 20 POINTS
    9·2 answers
  • Plsss helppppppppp
    5·1 answer
  • When a radioactive atom emits a beta particle, the original atom's atomic number
    12·1 answer
  • Weather can change from day to day, but does not
    5·2 answers
  • Can someone help me with this
    14·1 answer
  • Help asap! if u answer correct Ill give brainliest!!
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!