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
satela [25.4K]
3 years ago
5

Lanthanium found in the......... period

Chemistry
1 answer:
Gnesinka [82]3 years ago
5 0
I'm preatty sure it is in the periodic table xxx

You might be interested in
if the pressure of a gas at constant volume is 3.5 atm at 100°c, what will the pressure be if the tempature is changed to 250°c?
Degger [83]
Sorry don't know this one

6 0
3 years ago
Create an element card that has the following information:
Shtirlitz [24]

Answer:

Atomic number:6

Atomic mass:12.011

Chemical symbol:C

Name of element: Carbon, Carbone (french)

Image is in my explanation

Explanation:

6 0
3 years ago
What is released in the process of an atom moving from an excited level to a lower energy level?
luda_lava [24]
The correct answer is a Photon.

One photon is released for each event. Photons are elementary particles of all electromagnetic radiation, including light.
7 0
3 years ago
An unknown gas is found to diffuse through a porous membrane 4.11 times more slowly than h2 what is the molecular weight of the
kirill [66]
To answer this question, you need to know <span>Graham's Law of Effusion/Diffusion formula. In this formula, the rate of diffusion/effusion would be influenced by the mass. As the molecule has bigger mass, the rate should be slower because it will be harder to pass the membrane. The calculation should be:</span>
<span>Rate 1 / Rate 2 = √[M2/M1] 
</span>4.11/1= √[M2/2] 
M2=33.78 g/mol

5 0
3 years ago
Read 2 more answers
How many oxygen atoms are present in 3 grams of glucose
Kaylis [27]

Answer:

Because CLEARLY, each mole of glucose, C6H12O6 contains 6⋅mol oxygen atoms.

5 0
3 years ago
Other questions:
  • Write a summary of a toms​
    10·1 answer
  • A reaction that occurs when the reactants are simply put together is
    8·1 answer
  • What energy transformations occur when using a curling iron?
    8·2 answers
  • True or False: Particles that are moving faster have a higher temperature
    10·2 answers
  • To calculate the energy released within a calorimeter, the mass, temperature change, and specific heat capacity must be known.
    9·2 answers
  • Hey! need help filling in this chart ASAP, thanks
    7·1 answer
  • True or false: Sometimes older rocks end up on top of younger rocks.
    7·2 answers
  • What products are always made when any carbon-based fuel
    14·1 answer
  • What is mass in g of 22 moles of copper?
    11·1 answer
  • BRAINLIEST IF ANSWERED CORRECTLY WITH EXPLANATION! HELP PLEASE:)
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!