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
77julia77 [94]
4 years ago
9

Helppppppppppppppppp

Chemistry
1 answer:
SOVA2 [1]4 years ago
5 0

Answer:

the first 4

Explanation:

all but the last one is true with sunspots

You might be interested in
Which ranks these materials by the attraction between their atoms from the weakest to the strongest?
olga nikolaevna [1]

Answer:

A. oxygen gas, liquid water, liquid honey, solid iron ore

Explanation:

Just did it on edge

5 0
3 years ago
Read 2 more answers
Cuántos gramos de cloruro de magnesio se pueden obtener si se hacen reaccionar 354,9g de cloruro de titanio (IV) y 285g de magne
DENIUS [597]

Answer:

sorry I dont speak Spanish

8 0
3 years ago
Expand in powers. use the decimal values of any digits unique to the hexadecimal system.
lesya692 [45]

Expanding in powers 4FCsixteen.

<h3>What is hexadecimal system?</h3>

Hexadecimal is an easy route for addressing twofold. It is vital to take note of that PCs don't utilize hexadecimal - it is utilized by people to abbreviate parallel to an all the more effectively reasonable structure. Hexadecimal Number System is generally utilized in Computer programming and Microprocessors. It is likewise useful to portray colors on pages. Every one of the three essential tones is addressed by two hexadecimal digits to make 255 potential qualities, hence bringing about in excess of 16 million potential tones. The primary benefit of utilizing Hexadecimal numbers is that it utilizes less memory to store more numbers, for instance it stores 256 numbers in two digits while decimal number stores 100 numbers in two digits. This number framework is likewise used to address Computer memory addresses.

Learn more about hexadecimal system, refer:

brainly.com/question/21751836

#SPJ4

3 0
2 years ago
What is the difference between a permanent change and a temporary change? What is
NikAS [45]

Answer:

temporary changes are the changes which are there only for a short period if time.

Explanation:

generally temporary changes are reversible. permanent changes are the changes which remain for a longer time and are not reversible

6 0
3 years ago
Read 2 more answers
ANSWER ASAP
marshall27 [118]

Answers:

<u>Option B. 4.</u>

Explanation:

The visible spectrum of light emitted by a sample of active or excited hydrogen atoms splits into four wavelengths that are basically four distinct levels of energy in the visible region of the spectrum. There four different wavelengths are 410 nm, 434 nm, 486 nm, and 656 nm. These show for colors according to the spectrum and wavelength violet, blue, green, and red, where 656 nm wavelength is most intense on the spectrum.

4 0
3 years ago
Other questions:
  • How do scientists determine the number of neutrons in an isotope of an atom
    15·2 answers
  • What are two properties of neural substance?
    9·1 answer
  • If a man could fall through a hole that passes through the center of Earth, gravity would cause him to:
    5·1 answer
  • How does radioactivity make it possible to understand how earth can be so old and still have a hot interior?
    14·2 answers
  • This is the chemical formula for talc (the main ingredient in talcum powder): Mg3(SiOs), (OH)2 An analytical chemist has determi
    12·1 answer
  • Anions and cations are
    13·2 answers
  • State the law of conservation of mass
    13·1 answer
  • What does the prefix trans-indicate?
    13·2 answers
  • The energy level diagram shown below represents a fictional gas. What is the energy of a photon that would move an electron from
    9·1 answer
  • How do elements differ going from left to right across a period on the periodic table?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!