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
GrogVix [38]
3 years ago
5

Use the electronic configuration to explain the occurrence of period and groups to the periodic table.

Chemistry
1 answer:
lina2011 [118]3 years ago
6 0

Answer:

H2O

Explanation:

hydrogen has 1 electron

and oxygen has 6 electron which form a water molecule Atom

You might be interested in
How do wet lands form
Rus_ich [418]

Answer:

a lake with a wetland fringe can fill in with decayed plant and animal material

4 0
3 years ago
Read 2 more answers
A substance dissolves in water by breaking up into smaller pieces. these pieces of the same substance spread throughout the wate
photoshop1234 [79]
  <span>A substance dissolves in water by breaking up into smaller pieces. these pieces of the same substance spread throughout the water. this process is known as d</span>iffusion.

In short, your answer would be : Diffusion.

Hope this helps !

Photon 
6 0
4 years ago
A salt bridge: Question 3 options: provide a pathway through which the electrons travel from the cathode to the anode. provide a
Vesnalui [34]

Answer:

The correct option is: provide a source of counterions to prevent the build-up of charge at both the cathode to the anode.

Explanation:

A salt bridge is a U-shaped glass tube that is used in a voltaic cell or galvanic cell to connect the oxidation and reduction half-cells and complete the electric circuit.

<em>It allows the ions to pass through it, thus preventing the accumulation of charge on the anode and cathode as the chemical reaction proceeds.</em>

<u />

Therefore, the correct option is: <u>provide a source of counterions to prevent the build-up of charge at both the cathode to the anode.</u>

5 0
4 years ago
A certain flexible weather balloon contains 3.5 L of helium gas. Initially, the balloon is in WP at 8500ft, where the temperatur
Advocard [28]

Answer:

\large \boxed{\text{3.9 L}}

Explanation:

We can use the Combined Gas Laws to solve this problem

\dfrac{p_{1}V_{1} }{T_{1}}  =  \dfrac{p_{2}V_{2}}{T_{2}}

Data

p₁ = 571.2 Torr;  p₂ = 400 Torr

V₁ = 3.5 L;          V₂ = ?

T₁ = 21.5 °C;        T₂ = 6.8 °C

Calculations

(a) Convert the temperatures to kelvins

T₁ = (21.55 + 273.15) K = 294.70 K

T₂ =   (6.8  + 273.15) K = 279.95  K

(b) Calculate the new volume

\begin{array}{rcl}\dfrac{p_{1}V_{1} }{T_{1}} & = & \dfrac{p_{2}V_{2}}{T_{2}}\\\\\dfrac{\text{571.2 Torr $\times$ 3.5 L}}{\text{294.65 K}} & = & \dfrac{\text{400 Torr} \times V_{2}}{\text{279.95 K}}\\\\\text{6.78 L} & = & \text{1.429V}_{2}\\\\V_{2} & = & \textbf{4.7 L}\\\end{array}\\\text{The new volume of the balloon is $\large \boxed{\textbf{4.7 L}}$}

3 0
3 years ago
Read 2 more answers
What are the products of photosynthesis?
gtnhenbr [62]

Answer:

Glucose also called(Energy)

4 0
4 years ago
Other questions:
  • Which option correctly orders the elements by increasing reactivity? Hint: Review your periodic table.
    9·1 answer
  • What is the difference between a physical change in matter and a chemical change in matter
    11·1 answer
  • Why do some vaccines are injected than taken orally?
    5·2 answers
  • The atomic masses of the two stable isotopes of boron; boron-10 (natural abundance:19.78%) and boron-11 (natural abundance:80.22
    6·1 answer
  • For the gas phase decomposition of nitrosyl chloride at 400 K , the rate of the reaction is determined by measuring the appearan
    8·1 answer
  • Will the contribution of entropy to the free energy be positive or negative
    14·1 answer
  • Pu-238 (Plutonium, 238) decays by α emission to form an atom, which atom is this?
    12·1 answer
  • Determine the pH of 1.0 x 10-10M NaOH<br> pH=
    6·1 answer
  • What is the pH of the solution obtained during the reaction of sodium with water?<br> 1;3;7;14
    13·2 answers
  • Ii. 152.5 g of CuCl2, to make a solution of final volume 2.25 L​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!