Which of the following notations is the correct noble gas configuration for Li

Answers

Answer 1

Noble gas configuration for Li : [He]2s¹

Further explanation

In an atom, there are levels of energy in the shell and sub-shell

This energy level is expressed in the form of electron configurations.

Lithium with atomic number 3, then the electron configuration:

1s²2s¹

And for noble gas configuration or it can be called Condensed electron configurations :

[He]2s¹

Answer 2

Answer:

[He]2s¹

Explanation:


Related Questions

products or solutions found at home or in store and their characteristics

Answers

Answer:

bruh, just go in your bathroom and look for cleaning products

Explanation:

What is the name for the compound BrCl?

Answers

Compound name:

Bromine chloride

Bond type:

Covalent Bond

Reasoning for Bond type:

Formed between nonmetal and nonmetal atoms

Br (Bromine) is a nonmetal. Also, known as a liquid.

Cl (Chlorine) is a nonmetal. Also, know as a gas.

Use this website for more element information:

https://ptable.com/#Properties

What is the mass of 1.34x10^24molecules of Iron? *

Answers

Answer:

Ion channel proteins allow ions to diffuse across the membrane. A gated channel protein is a transport protein that opens a "gate," allowing a molecule to pass through the membrane

Explanation:

The table below lists the properties of a metallic element.

shiny, silver colored, forms +1 and +2 ions, compound with sulfur is bright red.

Where on the periodic table would this element most likely be found?

Group 1
Group 2
Group 12
Group 13

Answers

Answer:

Group 12

Explanation:

Answer:

I got all answers correct on my test and got 100%, this question was in the test which got correct

so your answer is group 12

Explanation:

what would happen to a gummy bear after soaking for 2 days in distilled water

Answers

Answer:

it would expand

Explanation:

the gummy bear would absorb alot of water

Answer:If a gummy bear is soaked in distilled (pure) water for 24 hours, then the gummy bear will increase in size

Explanation:


When Earth is tilted on its axis why does it orbit the sun ?

Answers

Answer:

Here

Explanation:

Some assume our planet's changing distance from the sun causes the change in the seasons. That's logical, but not the case for Earth. Instead, Earth has seasons because our planet's axis of rotation is tilted at an angle of 23.5 degrees relative to our orbital plane, that is, the plane of Earth's orbit around the sun

Josh is washing glasses with soap and water. He is afraid to
carry the glasses because they are slippery. What might he find in the
kitchen that he could use to keep the glasses from being slippery? Explain.

Answers

He could dry them with a towel.

Josh is washing glasses with soap and water. He is afraid to carry the glasses because they are slippery. Josh could dry them with a towel to keep the glasses from being slippery.

What are glasses ?

Glasses are visual eyewear that have lenses fixed in a frame that holds them in front of a person's eyes. The frame often has a bridge over the nose and arms that rest over the ears. Glasses are also known as eyeglasses or spectacles.

The term "glasses" likely originated from the word "spyglass," which was originally used to describe "a pair of eyeglasses" that had to be held up to the eyes in order to be fully effective.

Eyeglasses, often known as glasses or spectacles, are lenses that are mounted in frames and worn in front of the eyes to improve vision or to correct astigmatism, myopia, or hyperopia.

Thus,  Josh could dry them with a towel to keep the glasses from being slippery.

To learn more about glasses, follow the link;

https://brainly.com/question/9399000

#SPJ5

give 7 and example of how each wave in the EM spectrum in used in our daily lives

Answers

1. it’s use for our food in like microwaves and ovens
2. airplanes are guided by radar waves,
3.the tv is used by electromagnetic waves
4. they are used in heaters,
5.infrared cameras which detect people in the dark
6.Allows airport security to observe the internal contents of objects and luggage using airport scanners
7.doctors use electromagnetic waves in x-rays

The length breadth and thickness of a brick is 18cm 8 cm and 5cm respictively find the area of the widest part of rhe brick​

Answers

Answer:

144cm²

Explanation:

Given dimensions:

     Length x breadth x thickness

        18cm  x   8cm    x    5cm

The widest part of this figure will be the face containing the length and the breadth.

The breadth is the width of the figure;

Area of the widest part  = length x breadth = 18cm x 8cm  = 144cm

The area of the widest part of the figure is 144cm²

Plants and animals can build up or break down rock by increasing weathering, erosion, and
deposition. true or false

Answers

Answer:

false

Explanation:

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.

Given the following equation:
2KMnO4 → K2MnO4 + MnO2 + O2
How many grams of KMnO4 are required to produce
1.60 grams of O2?
g

Answers

Mass of KMnO4 required : 31.607 g

Further explanation

The reaction equation is the chemical formula of reagents and product substances  

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products  

Reaction

2KMnO₄ → K₂MnO₄ + MnO₂ + O₂

mol of O₂ :

[tex]\tt \dfrac{1.6}{16}=0.1[/tex]

mol ratio KMnO₄ : O₂ = 2 : 1

mol of KMnO₄ :

[tex]\tt \dfrac{2}{1}\times 0.1=0.2[/tex]

mass of KMnO₄ :

MW KMnO₄ : 158,034 g/mol

[tex]\tt mass=0.2\times 158,034 =31.607~g[/tex]



Be sure to use two (2) sources of information (one source can be your book). In your response, you MUST state your source. Your response should be between 100 and 150 words.

Answers

Answer:

^=E9>*t

Explanation:

schroedinger thought that electrons

Answers

Answer:

In Niels Bohr's theory of the atom, electrons absorb and emit radiation of fixed wavelengths when jumping between fixed orbits around a nucleus. The theory provided a good description of the spectrum created by the hydrogen atom, but needed to be developed to suit more complicated atoms and molecules.

Explanation:

When light waves hit ice, most of them bounce off and radiate back into space. Because of this, ice is best described as which kind of surface? reflective absorbent dense rough

Answers

The bouncing back of light waves observed when light waves hit ice and most of them bounce off and radiate back into space is called reflection.

What are light waves?

Light waves are a form of waves which produces visible sensitization of the eyes

Light waves have properties of waves such as:

reflection refraction diffractioninterference, etc.

When light waves hit ice, most of them bounce off and radiate back into space.

This property of light waves is known as reflection.

Learn more about reflection of light waves at: https://brainly.com/question/1191238

When light waves hit ice, most of them bounce off and radiate back into space, hence, ice is best described as a reflective surface.

What is a Reflective surface?

A reflective surface is one which can cause incident light to bounce back (reflection).

According to this question, when light waves hit ice, most of them bounce off and radiate back into space. This means that most of the incident light reflects off the ice surface.

Therefore, the ice surface is best described as a reflective surface.

Learn more about reflection at: https://brainly.com/question/8553652

What does the notation tt mean to geneticists? *

Answers

Answer is B



........

which of the following statements is true?
A. A technology society has no impact on the environment.
B. A technology society has a completely positive impact on the environment.
C. A technology society has both a positive and negative impact on the environment
D. A technology society a completely negative impact on the environment.
Please select the best answer from the choices provided

Answers

Answer:

C. A technology society has both a positive and negative impact on the environment

Explanation:

We are using up earth's resources but bettering social society!

Have a nice day,

PumpkinSpice1♥

What is an inorganic chemical?
A. A chemical that contains carbon atoms
B. A chemical that does not take part in reactions
C.A chemical that makes up living things
D.A chemical that is not from living things
I'd appreciate anyone's help

Answers

D ? i think but not sure

Answer:

D.A chemical that is not from living things

i need help with chem ????????

Answers

Answer:

69

Explanation:

Explain how blocks of the periodic table are related to the electron configuration of an element.

Answers

Answer:

that is simple

electronic configuration s,p,d,f

we know that it's represented element

thus block also represented by s,p,d,f

same

Explanation:

that how it's are related are in the periodic table .

Answer:

Explanation:

The electronic configuration of an element is related to its position on the periodic table.

The links are:

the number of circles in the electronic configuration of an element is represented in the periodic table as the period number that element is situated in

the number of electrons in the outermost shell of an element is represented in the periodic table as the group number that element is situated in

the number of electrons in all shells of an element is represented in the periodic table as the element's atomic numbe

Can you guys help please?

Answers

Answer:

its false

Explanation:

is this a joke. I honestly don't know why you would need help.

Answer it’s false
Explanation

Heeeelp ill give brainlist

Answers

3;10;4;20 in order from 1-4

The ionization energies for removing successive electrons from sodium are 496 kJ/mol, 4562 kJ/mol,
6912 kJ/mol, and 9544 kJ/mol. The great jump in ionization energy after the first electron is removed
indicates that
Select one:
O a. sodium has four or five electrons.
O b. the atomic radius has increased.
c. a d-electron has been removed.
d. the noble gas configuration has been reached.

Answers

Answer:

D

Explanation:

The high jump of ionization energy indicates that we are trying to remove electron from noble gas configuration state.

The ionization energy data specifies that the Elements are from group 1 at period 3 or greater.

Removing the first electron require 496 kJ and the second ionization energy jump significantly due to the removal of electron from the noble gas configuration which is logical because electron try to maintain the especially stable state.

Heeeelp,,, serious answers only pls i dont wanna hear about your love life

Answers

The answer is 8 atoms are present

A 20.0g sample of metal with a specific heat of 5 J/(g°C) raised it's initial temperature to 40.0 when 500J heat was added. What was the initial temperature of the metal?

Answers

The initial temperature of the metal = 35 °C

Further explanation

Heat can be formulated :

Q = m . c . ΔT

Q = heat, J

c = specific heat, J/g C

ΔT = temperature, °C

m = 20 g

c = 5 J/(g°C)

Q = 500 J

T₁ = 40 C

the initial temperature :

[tex]\tt \Delta t(T_2-T_1)=\dfrac{Q}{m.c}\\\\40-T_1=\dfrac{500}{20.5}\\\\40-T_1=5\\\\T_1=35^oC[/tex]

GUYS I NEED THIS ASAP ​

Answers

It’s DEFINITELY 2 like DEFINITELY

Which is the role of the gall bladder? PLEASE HURRY I WILL MARK YOU BRAINLYEST
A:to provide physical digestion
B:to stored the liquid produce by the liver
C: to make the liquid that is stored in the liver
D: to decrease the chemical digestion

Answers

Answer:

The gallbladder is a pear-shaped, hollow structure located under the liver and on the right side of the abdomen. Its primary function is to store and concentrate bile, a yellow-brown digestive enzyme produced by the liver. The gallbladder is part of the biliary tract

Answer:

a.............................

When moving across a row in the Periodic Table, which of the following increases?

Answers

I believe it’s atomic number if I remember correctly

13
0121
This question is about sodium and chlorine.
FIGURE 2 shows the positions of sodium and
chlorine in the periodic table.
FIGURE 2
CI
Na
02
State ONE difference and ONE similarity in t
electronic structure of sodium and of chlori
[2 marks]

Answers

The question is asking you to compare each elements electrons, specifically valence since it mentioned their placement on the table.

Similarly: they both are only one electron away from stability (a full octet)

Difference: Sodium will want to loose the one electron, and Chlorine will take it.

Write a balanced equation for the following reaction;
potassium metal reacts with nitrogen gas to form potassium nitride

Answers

Answer:

6K + N₂ —> 2K₃N

Explanation:

K + N₂ —> K₃N

The above equation can be balanced as illustrated below:

K + N₂ —> K₃N

There are 2 atoms of N on the left side and 1 atom on the right side. It can be balance by putting 2 in front of K₃N as shown below:

K + N₂ —> 2K₃N

There are 6 atoms of K on the right side and 1 atom on the left side. It can be balance by putting 6 in front of K as shown below:

6K + N₂ —> 2K₃N

Now the equation is balanced.

6. Classify each compound as ionic or molecular based on its properties.

Substance Melting Point Solubility Conductivity Classification
1 -55 oC poor poor
2 396 oC good good
3 0 oC not tested poor
4 200 oC good good
5 20 oC good poor

Answers

Answer:

1.  c

2. ionic

3. c

4. ionic

5. alloy or ionic

Explanation:

The compound classification.

The compounds are classified as per several different criteria and one common elements is the specific element that is present this makes it an iconic or a molecular. The presence of the oxides, hydrides, and various atomic groups.

Hence the answer is melting point to conductivity classified as c, iconic, c, iconic, and alloy.

A poor conductor of electricity will have a conductivity classification of c. The 396 good conductors will be iconic and a 0 C not teste will have a conductivity of c. The 200 C of good conductor will be iconic and 20 C of good conductor will be alloy or iconic.

Learn more about each compound as.

brainly.com/question/3110085.

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