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
miskamm [114]
3 years ago
7

Which of the following elements is a metalloid?

Chemistry
1 answer:
Setler [38]3 years ago
7 0

Answer:

A. Silicon

Explanation:

You might be interested in
Need help please!!!!!!!!
dsp73
Long wavelengths and low frequencies
5 0
3 years ago
The high concentration of carbon dioxide (CO2) in the atmosphere of Mars inhibits infrared radiation from escaping and keeps the
Zarrin [17]

Answer:

B

Explanation:

Mars atmosphere contains mainly carbon iv oxide, but the greenhouse effect as subdued as there is so little CO2 overall.

Venus as a planet contains 96.5% of carbon iv oxide. it doesn't contain water which can trap the CO2 as we have on earth where the oceans are able to trap the CO2 present and subdue the greenhouse effect. This inability to trap CO2 in Venus prevents infrared rays from escaping and with the fact the Venus is closer to the sun than earth and mars, its surface it extremely hot.

3 0
3 years ago
Entrance Question: What is a physical trait? Explain using complete sentences.
azamat

Answer: A physical trait is a defining aspect or feature of your body or other subject that you can see visually.

Explanation:

6 0
3 years ago
The behavior of light can be modeled as _______.
777dan777 [17]

Answer:

c

Explanation:

4 0
4 years ago
Is 3Al + 3FeO → 2Al2O3 + 3Fe a balenced or unbalenced equation?
Murrr4er [49]
3f+5=eo got it right
8 0
3 years ago
Other questions:
  • What is the % (w/v) concentration of a solution containing 12 grams of solute in 400 ml of solution?
    14·1 answer
  • In the presence of dry sulfuric acid at 100 degree c, salicylic acid can react with itself to form a water-insoluble precipitate
    12·1 answer
  • The wavelength of some violet light is 420.0 nm. What is the frequency of this violet light?
    12·1 answer
  • An oxide of phosphorus contains 56.4% phosphorus and 43.6% oxygen. It's relative molecular mass is 220. Find both the empirical
    14·2 answers
  • 7. Which two substances do geologists use in radiocarbon dating?
    11·1 answer
  • Need help I don't remember what to do?
    10·1 answer
  • Purpose Question:
    14·2 answers
  • What is the mass of 0.38 moles of cobalt (Co)?
    12·1 answer
  • (a) Give one function each of the following equipments
    14·1 answer
  • A 55.0 g aluminum block initially at 27.5 ∘c absorbs 725 j of heat. what is the final temperature of the aluminum?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!