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
likoan [24]
2 years ago
6

What is the electron shielding effect? What is the trend for it? How and why does it happen?

Chemistry
1 answer:
andriy [413]2 years ago
6 0

Answer:

See explanation

Explanation:

In an atom, the inner electrons may shield the outer electrons from the attractive force of the nucleus. We, refer to this phenomenon as the <u><em>shielding effect</em></u>, It is defined as a decrease in the magnitude of attraction between an electron and the nucleus of an atom having more than one electron shell (energy level).

Shielding effect increases down the group due to addition of more shells but decreases across the period due to the increase in the size of the nuclear charge.

As the magnitude of shielding increases down the group, ionization of electrons becomes easier and the first ionization energies of elements decreases as we move down the group. Since shielding effect decreases across the period, the first ionization energies of elements increases across the period.

You might be interested in
Can a bad thermostat cause radiator to blow
erastova [34]
I don't exactly know but probably so.
3 0
3 years ago
All of the following will be damaging to the environment except
Umnica [9.8K]
Adding fertilizer to stimulate the aquatic plant growth, and putting research and money into renewable energy
3 0
3 years ago
Read 2 more answers
A 65.0-gram sample of some unknown metal at 100.0° C is added to 100.8 grams of water at 22.0° C. The temperature of the water r
vampirchik [111]
We do a heat balance to solve this:
(m cp ΔT)water = -(m cp ΔT)metal
100.8 (4.18) (27 - 22) = -65 (cp)(27-100)
cp = 100.8 (4.18) (27 - 22) / (-65 (27-100))
cp = 0.44 J/ (°C × g)

The specific heat of the metal is 0.44 J/ (°C × g)
5 0
3 years ago
a steel cylinder is left out in the sun the pressure at 2:00 pm was 1014 kpa at 33.0 c at 7:00 am at a temperature of 21.4c what
e-lub [12.9K]
The easiest way is to use the Law of Gay-Lussac. This law states that there is a direct relation between the temperature in Kelvin of a gas and the pressure.

Then, namig p the pressure and T the temperature in Kelvin and using subscripts for every state:

p/T is constant ==> p_1 / T_1 = p_2/T_2

From which you obtain:

p_2 = [p_1 / T_1] * T_2

T_1 = 33.0 + 273.15 = 306.15 K
T _2 = 21.4 + 273.15 = 294.55 K

p_1 = 1014 kPa

p_2 = 1014 kPa * 294.55 K / 306.15 K = 975.6 kPa
5 0
3 years ago
Locate Lithium and oxygen on the periodic table. Briefly explain how these elements might combine to form a compound.
Mars2501 [29]
<span>Lithium atoms have one valence electron, where as oxygen atoms have six. Lithium atoms tend to give up their single valence electrons, and oxygen tends to gain two valence electrons from other atoms, like lithium. They do this so they will have filled valence shells.  hope this answers your question :)</span>
7 0
3 years ago
Read 2 more answers
Other questions:
  • Which state of matter isn't typically found on earth?
    12·1 answer
  • Which object represents a simple machine? A)battery B)pliers C)Match D)candle
    13·2 answers
  • The chemical formula of glucose is C6H12O6 , so it is classified as a(n) Question 4 options: pure substance. element. solution.
    13·1 answer
  • Can you think of two ways to answer a scientific question?
    13·1 answer
  • Which best describes an element
    5·1 answer
  • An airplane travels 570 mph for 3.5 hours. How far will the airplane travel.
    10·1 answer
  • Diseases can spread rapidly in cities. If a disease kills many people in a city but fewer in a rural area, this is an example of
    14·1 answer
  • If you leave a cup of hot chocolate sitting on a table what eventually happens to the temperature? Does the temperature ever rea
    14·1 answer
  • Version: TAKEHOME
    12·1 answer
  • You discover a new substance that mixes well with H2O initially, but eventually the particles sink to the bottom. What is the BE
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!