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
avanturin [10]
3 years ago
10

What family does Eu element belong to?

Chemistry
1 answer:
worty [1.4K]3 years ago
5 0
Row 6 - it’s called Rare earth elements
found in lanthanide series.
Hope this Help
You might be interested in
Will give brainliest, points, and more!!
tino4ka555 [31]

Do you relizes how many activities lead to global warming? When gas is burned in a car, it produces carbon dioxide (a green house gas). The carbon dioxide then floats up towards the atmosphere and becomes part of the atmosphere. This then causes the heat from the sun to get trapped, bouncing from the atmosphere to the earth. The sun will never stop producing heat which will only lead to the world getting hotter as each decade goes by.  

Hope this helps you!

4 0
3 years ago
Read 2 more answers
2.38g of black copper(iii) oxide is completely reduced to by hydrogen to give copper and water. What are the number of atoms of
OleMash [197]

Explanation:

here is the answer bae. Feel free to ask for more

6 0
2 years ago
Which of the following statements is true about gas particles?
satela [25.4K]

Answer:

There is a lot of empty space between them

Explanation:

We know that gas molecules are loosely packed,

Therefore there is a lot of intermolecular space...(Which basically means that there is a lot of space between the molecules or particles in a gas)

Happy to help.

Pls mark as Brainliest.

3 0
3 years ago
Read 2 more answers
The total volume of seawater is 1.5 x 10²¹ L. Seawater contains approximately 3.5% sodium chloride by mass. At that high of a co
garri49 [273]

Answer:

There are 5.408\times 10^{22} grams contained in all the seawater in the world.

Explanation:

At first let is determinate the total mass of seawater (m_{sw}), measured in grams, in the world by definition of density and considering that mass is distributed uniformly:

m_{sw} = \rho_{sw}\cdot V_{sw}

Where:

\rho_{sw} - Density of seawater, measured in grams per liters.

V_{sw} - Volume of seawater, measured in liters.

If V_{sw} = 1.5\times 10^{21}\,L and \rho_{sw} = 1030\,\frac{g}{L}, then:

m_{sw}=\left(1030\,\frac{g}{L} \right)\cdot (1.5\times 10^{21}\,L)

m_{sw} = 1.545\times 10^{24}\,g

The total mass of sodium chloride is determined by the following ratio:

r = \frac{m_{NaCl}}{m_{sw}}

m_{NaCl} = r\cdot m_{sw}

Given that m_{sw} = 1.545\times 10^{24}\,g and r = 0.035, the total mass of sodium chloride in all the seawater in the world is:

m_{NaCl} = 0.035\cdot (1.545\times 10^{24}\,g)

m_{NaCl} = 5.408\times 10^{22}\,g

There are 5.408\times 10^{22} grams contained in all the seawater in the world.

8 0
3 years ago
The formula that forms when Magnesium and Permanganate bond
Leviafan [203]
The formula would be MgMn2O8
6 0
2 years ago
Other questions:
  • What is the oxidation number of Mn in KMnO₄? <br> a. -7<br> b. -3<br> c. 0 <br> d. +3 <br> e. +7
    6·1 answer
  • Under standard-state conditions, which of the following species is the best reducing agent? a. Ag+ b. Pb c. H2 d. Ag e. Mg2+
    12·1 answer
  • A piece of gold wire has a diameter of .175cm. How much will precisely 1.00 x 10^5 cm of the wire weigh
    13·1 answer
  • Is baking a cake a chemical reaction? What is the chemical formula? Please help
    8·1 answer
  • What component of air causes the flame in a bunsen burner to become bluer?
    13·1 answer
  • Why might a major volcanic eruption lead to cooler temperatures of Earth's surface?
    5·1 answer
  • When a given reaction is conducted in a calorimeter, energy is absorbed from the surrounding water and results in a decrease in
    8·2 answers
  • Why don't we discuss the results during the results section of the project?
    14·1 answer
  • The term used to describe the Moon phases as the light spreads across the surface of the moon or grows.
    13·1 answer
  • Which statement does NOT correctly compare boron with another element?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!