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
olga nikolaevna [1]
2 years ago
15

What techniques allow us to identify the presence of different elements?

Physics
2 answers:
lyudmila [28]2 years ago
7 0
If unknown compound is crystalline solid,X-ray diffraction technique is best for elucidating the structure. In case the compound is liquid, use of combind IR, UV, Mass and NMR techniques are sufficient in solving the structure.
boyakko [2]2 years ago
4 0

Answer:

c

Explanation:

You might be interested in
The sum of all forces acting on an object
Zina [86]

Answer:

The net force is the vector sum of all the forces that act upon an object. That is to say, the net force is the sum of all the forces, taking into account the fact that a force is a vector and two forces of equal magnitude and opposite direction will cancel each other out.

Explanation:

put in your own words PLEASE, hope it helps

4 0
3 years ago
An alpha particle (which has two protons) is sent directly toward a target nucleus with 90 protons. the alpha particle has a kin
Romashka-Z-Leto [24]
It does not move because of the sun the sun has no energy.
5 0
3 years ago
The position of a 55 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t is in seconds. determine the velocity at t=0.4
NNADVOKAT [17]
The position of the mass is given by (in cm):
x(t)=2 \cos (10 t)
The velocity is the derivative of the position:
v(t) =  \frac{dx(t)}{dt} =-10\cdot 2 \sin (10t)=-20 \sin (10t)
Substituting t=0.40 s, we can find the velocity at this time:
v(0.40 s)= -20 \sin (10 \cdot 0.4)=15 cm/s=15 \cdot 10^{-2}m/s
5 0
3 years ago
Read 2 more answers
What are optical fibres
irga5000 [103]
Its thin glass fibers that let light be transmitted through them
8 0
3 years ago
Read 2 more answers
What is the atomic mass of neon? Give your answer to the nearest tenth.
Rasek [7]
The atomic mass of neon is 20 amu.

20 amu = 10 p + 10 n

Neon has an atomic number , Z = 10 and contains 10 protons and 10 neutrons. It can completely filled electron shells and it is thus a noble gas.<span>  i.e. </span><span>the number of 10 protons in the nucleus which defines the element. </span>
6 0
3 years ago
Read 2 more answers
Other questions:
  • If you are driving 95 km/h along a straight road and you look to the side for 2.0s, how far do you travel during this inattentiv
    13·1 answer
  • Calculate the moment of inertia for a solid cylinder with a mass of 100g and a radius of 4.0 cm
    14·2 answers
  • Kepler’s first law states that the orbits of planets are ellipses with the Sun at one ____.
    13·2 answers
  • 2. This diagram represents a top-down view of an experiment on a table. The 250 g and 100 g masses are falling and are pulling t
    15·2 answers
  • A spring-loaded toy gun is used to launch a 12.0-g plastic ball. The spring which has a spring constant of 15.0 N/m is compresse
    6·1 answer
  • ITS TIMED PLEASE HELP !!!!!
    9·1 answer
  • In which scenario will the two objects have the least gravitational force between them?​
    11·2 answers
  • the person is not able to see the far lying object clearly. which type of lens will the doctor prescribe him give reason?
    8·1 answer
  • Two identical speakers are 3.50 m
    11·1 answer
  • State advantages of ultrasonic sound in determining the depth of the ocean ​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!