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
Sedbober [7]
3 years ago
10

Rare earth elements plz

Chemistry
2 answers:
Slav-nsk [51]3 years ago
3 0
Rare earth metals are a group of 17 elements - lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium - that appear in low concentrations in the ground
Westkost [7]3 years ago
3 0

Answer:

Rare earth elements are lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium - that appear in low concentrations in the ground.

Explanation:

The rare earth elements (REE) are a set of seventeen metallic elements. These include the fifteen lanthanides on the periodic table plus scandium and yttrium. Rare earth elements are an essential part of many high-tech devices.

You might be interested in
What is difference between groups and periods? 8th grade science idk what to put it under
d1i1m1o1n [39]
One is rows the other is columns
7 0
3 years ago
During the formation of a solution, which step is always an exothermic process? a. the separation of solute particles from one a
Galina-37 [17]

ccccccccccccccccccccccccccccccccccc

3 0
3 years ago
Read 2 more answers
_______ is the amount of heat necessary to raise the temperature of 1 gram of a substance by 1 degree Kelvin. A. A calorie B. En
Maksim231197 [3]
<h2>The required option d) "specific heat" is correct.</h2>

Explanation:

  • To raise the temperature of any substance or material of certain mass to respective temperature it requires some amount of heat.
  • Specific heat is the amount of heat necessary to raise the temperature of the substance of 1 gram to 1 Kelvin.
  • It is the amount of heat which is required to raise the temperature per unit mass to per unit temperature.
  • Thus, the required "option d) specific heat" is correct.
5 0
3 years ago
Caleb wants to find out which type of floor material is best for bouncing tennis balls the highest. Which statement best describ
goldenfox [79]
Option 2 seems to be the best answer
4 0
3 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST TO WHOEVER ANSWERS CORRECTLY FIRST . The image below depicts Earth's ozone levels from 2016. The darker p
andreev551 [17]

Answer:A

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is a property of a pure substance?
    6·2 answers
  • How are physical and chemical changes different
    8·2 answers
  • Rozwiaz logogryf. Z wyróżnionych pól odczytaj hasło i je zapisz.
    12·1 answer
  • 28.6 hectoliter = centiliter
    10·2 answers
  • Plz help u might find it easy
    14·1 answer
  • What would the mass be, in grams, of 0.89 moles of Cl2?
    9·1 answer
  • 4) What is the Formula weight of MgCl2 and the explanation.
    11·1 answer
  • True or false? During a change of state the temperature of the substance does not change.​
    6·1 answer
  • How does changing the volume or temperature of a gas affect the pressure of that gas?
    12·1 answer
  • A scientist claims to have discovered an element with 30 protons in its nucleus. He determines it has 60 electrons. Why is his i
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!