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
krek1111 [17]
3 years ago
15

The elements Lithium (Li), Boron (B), and Oxygen (O) are all in the same _________ on the periodic table.

Chemistry
1 answer:
AnnyKZ [126]3 years ago
7 0

Answer:

Period

Explanation:

If we ubicate te period one on the alkaline metals, we can see the lithium, so we go to the borans on te group AIII an we see Boron, move to the rigth on the same sense tou the group AVI we see the Oxygen, we can know that also for the electronic configuration Li:1s²2s¹    B:1s²2s²3p

You might be interested in
If you pump air into cycle tyre a slight warming effect is noticed at valve stem why
Mashutka [201]

As the air molecules move through the valve they have friction as they hit the walls, and its this friction that causes it to heat up.

6 0
3 years ago
What is the relationship between a scientific theory and a scientific law
grigory [225]
A scientific theory focuses on explaining a phenomenon, while a law will have a generalised statement about said phenomenon. Often times, we use laws to help us develop theories. =)
5 0
3 years ago
What is the pOH of a solution with [OH'] = 9,0 x 10-7?
bearhunter [10]

Answer: D (6.04) is the best answer

Explanation:

pOH = - log [OH⁻]

pOH = - log (9.0 x 10⁻⁷)

pOH = 6.0457

6 0
3 years ago
B. The highly toxic gas phosgene is produced by the reaction CO(g) + Cl2(g) COCl2(g), ΔH = –108 kJ/mol. Use this reaction to ans
galben [10]

Answer:

I. Increasing pressure will allow more frequent successful collision between particles due to the particles being closer together.

II. Rate of reaction increases due to more products being made; as increased pressure favours the exothermic side of the equilibrium.

III. Increasing temperature provides particles lots of (Kinetic) energy, for more frequent successful collision due to the particles moving at a faster rate than before. However, favouring the endothermic side of the equilibrium due to lots of energy required to break and form new bonds.

IV. Rate of reaction increases due to increase temperature favouring both directions of the equilibrium - causing products to form faster.

Hope this helps!

6 0
2 years ago
If a gas is moved from a large container to a small container but its temperature and number of moles remain the same, what woul
bazaltina [42]

To solve this we assume that the gas is an ideal gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. At a constant temperature and number of moles of the gas the product of PV is equal to some constant. At another set of condition of temperature, the constant is still the same. Calculations are as follows:

 

P1V1 =P2V2

<span>P2 = P1V1/V2</span>

<span>
</span>

<span>The correct answer is the first option. Pressure would increase. This can be seen from the equation above where V2 is indirectly proportional to P2.</span>

8 0
3 years ago
Read 2 more answers
Other questions:
  • The electron in a hydrogen atom, originally in level n = 8, undergoes a transition to a lower level by emitting a photon of wave
    9·1 answer
  • Count the number of molecules in the diagram of water formation given in the lesson to complete the following reaction.
    15·2 answers
  • What is the answer?
    12·1 answer
  • A harbour seal's flipper and a human hand have a very similar structure, but function differently. This is an example
    5·2 answers
  • How many moles of N2O3 contain 2.55 × 1024 oxygen atoms
    10·1 answer
  • How many molecules of water are in 3.8 moles of water?
    5·2 answers
  • a sample that has a half life of 45 years take ____ for the count rate to drop from 600 cpm to 150 cpm
    5·1 answer
  • Make the equations for the reactions between calcium and hydrochloric acid, name the products.
    14·1 answer
  • Which phrase describes a feature of an earthquake’s epicenter?
    5·2 answers
  • A 50.0 g sample of liquid water at 0.0°c ends up as ice at -20.0°c. How much energy is involved in this change.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!