Answer:
Rubidium
Explanation:
Rubidium has atomic number 37 and belong to group one alkali metals and has one valence electron at the outermost shell whiz is 5s1
The given electronic configuration is that of element rubidium which is a s-block element with one valence electron.
Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
Thus, given electronic configuration is that of element rubidium which is a s-block element with one valence electron.
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The absorption spectrum of a molecular compound in the microwave radiation range provides information about the: 1.Electronic structure of the molecule 2. Bonds and bond energies of the molecule 3. Shape of the molecule
Answer: 2. Bonds and bond energies of the molecule
Explanation:
The absorption spectrum is an electromagnetic spectrum which is used for observing the intensity of the radiations which have been absorbed by the substances shown by the pattern of dark lines or bands. Infrared and microwave spectroscopy are specialized techniques which are used for observing the bonds and bond energy of the molecules which can be observed by measuring the frequencies at which the radiations are absorbed.
3. Which element has the ground state electronic configuration, 1s22s22p63s23p645' ?
phosphorus
calcium
potassium
bromine
Answer:
Explanation:simple 1s22s22p63s23p1
short form [Ne] 3s23p1
orbital energy diagram
The ground state electronic configuration, 1s22s22p63s23p645' is of potassium in the periodic table. Option C is correct.
What is a periodic table?A periodic table is an arrangement done by Mosley for better learning and understanding of the physical and chemical properties of an element and to know about the electronic configurations of the elements.
In potassium the arrangement of electrons in the shells of s, p, d, and f are 1s22s22p63s23p645' and these shells contain different energies and this is the stable electronic configuration that means at the ground state for the element.
Therefore, Option C is correct. The ground state electronic configuration, 1s22s22p63s23p645' is of potassium in the periodic table.
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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
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.
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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.
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which of the following is the conjugate acid of CIO-
The conjugate acid of CIO⁻ is HClO. Hence, Option (D) is correct.
What is Conjugate Acid - Base concept ?A conjugate acid, within the Brønsted–Lowry acid–base theory, is a chemical compound formed when an acid donates a proton to a base.
In other words, it is a base with a hydrogen ion added to it, as in the reverse reaction it loses a hydrogen ion.
Therefore, The conjugate acid of CIO⁻ is HClO. Hence, Option (D) is correct.
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A standard room temperature and pressure, most of the elements on the periodic table are
explain your answer
Answer:
Solids
Explanation:
At standard room temperature and pressure, most of the elements are solids.
Just a few of the elements are liquids and gases at this temperature.
The periodic table is made up of metals, metalloids and non-metals. Most of these substances are actually solid.
Some non-metals are gaseous at standard room temperature.
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Answer:
Im confused. Do you need help with something?
Explanation:
Answer:sheshhh sayless XD
Explanation:
What mass of sodium hydroxide must be heated in order to produce 4.5 g of water?
Answer:
10 g
Explanation:
name the compound TiBr3
Answer:
Titanium (III) bromide
Explanation:
As it is an ionic compound we write the valency for transition elements, and that means here that titanium loses three electrons to become +3 (Ti
The name of the compound is titanium (III) bromide as it has titanium in +3 oxidation state.
What is compound?
Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.
Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:
1)Molecular compounds where in atoms are joined by covalent bonds.
2) ionic compounds where atoms are joined by ionic bond.
3)Inter-metallic compounds where atoms are held by metallic bonds
4) co-ordination complexes where atoms are held by co-ordinate bonds.
They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.
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Please please please help!
Imagine you are a scientist who has just discovered a new element. The element has an atomic number of 113, and it has three elections in the outer energy level of each atom.
Which element would have properties most similar to the new element?
Group of answer choices
A. boron
B. carbon
C. hydrogen
D. beryllium
AND
What would you name this new element?
Answer:
A. is the correct answer because Boron has 3 electrons too,
All elements in Group 13 have three electrons in their outermost energy level. The two most popular elements in this group are Boron and Aluminum.
will mark brainliest please help!!!
A train travels 846 miles in 9 hours. What is the average speed of the train?
Answer:
The answer is 94 miles an hour.
Explanation:
Speed equals distance divided by the time taken to cover that distance. So to find the average speed of the train just divide the distance covered (846 miles) by the time taken by the train to cover that distance (9 hours) and that equals 846/9 equals 94 miles in one hour.
The only sure evidence for chemical reaction is
what is the substance of air
Answer:
The air in the atmosphere consists of nitrogen, oxygen, which is the life-sustaining substance for animals and humans, carbon dioxide, water vapour and small amounts of other elements (argon, neon, etc.). Higher in the atmosphere air also contains ozone, helium and hydrogen.
Explanation:
:))
Ionization energy definition?
Answer:
In physics and chemistry, ionization energy or ionisation energy, is the minimum amount of energy required to remove the most loosely bound electron of an isolated neutral gaseous atom or molecule.
I hoped this helped :D
Explanation:
Which diagram best represents reciprocal disclosure?
Answer:I think its B
Explanation:
Answer:
B
Explanation:
it is B becuse my teacher told me it is
you find 13406190 pennies. how many dollars did you actcually find? if each penny weighs 4 grams, how much does all of it weigh in ponds
Answer:
134,061.9 dollars and 118,222.45 lbs.
Explanation: you're welcome :)
How can you help save the environment from its total destruction?
Explanation:
Change the way you get around. ...
Be mindful of eating habits. ...
Grow your own food or buy it locally. ...
Embrace secondhand shopping. ...
Replace standard products with energy efficient versions. ...
Buy recycled products. ...
Spread the word. ...
Stop using plastic water bottles.
Answer:
hope it's help u
Explanation:
Stunning Ways to Save the Environment from Destruction
Change the way you get around. ...
Be mindful of eating habits. ...
Grow your own food or buy it locally. ...
Embrace secondhand shopping. ...
Replace standard products with energy efficient versions. ...
Buy recycled products. ...
Spread the word. ...
Stop using plastic water bottles.
WILL GIVE BRAINLEST!!
Question 5
Coastal flooding occurs when_
A. Rocks or debris block rivers causing them to overflow
B. Severe weather occurs causing large waves to hit the coast
C. Huge amounts of snow and ice melt due to sudden temperature variations
D. Colossal amounts of rain fall in a short period of time
Select the best answer from the choices below. What causes resonance?
a. Destructive interference
b .Two nearby objects vibrating at the same frequency
c. A wave passing from one medium to another
d.Constructive interference
Answer:
The match between the vibrations of the air column and one of the natural frequencies of the singing rod causes resonance. So ITS A
Two nearby objects vibrating at the same frequency
Explanation:
WILL GIVE BRAINLIEST!
Answer:
I believe the Answer is B, as time is not dependent on growth, but growth is dependent on time.
Explanation:
What is the name for the compound BrCl?
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
___ _is an energy resource that WILL NOT run out in the next several hundred
years .
А
Renewable Energy Resource
B. Non-renewable Energy Resource
С
Fossil Fuel
D. Forever Fuel
Answer:
A,
Explanation:
A renewable energy resources can be renewed meaning it will not run out.
Which statement describes the charging method shown?
The spheres are charged through friction.
The spheres develop the same charge.
Electrons move from the rod to Sphere A.
Electrons move from Sphere A to Sphere B.
Answer:
D
Explanation:
correct on edge 2021 :)
The movement of the electrons from sphere A to sphere B is shown as the charging method. Thus option D is correct.
What is an electron?An electron is a negatively charged subatomic particle and can either be free or bound to the nucleus and it exists in a spherical shell. of the various radii that represent the energy levels. The movement of the electron from sphere one to sphere two is represented by the image.
Find out more information about the charging method.
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How could you test your prototype to determine the effectiveness of your spin table? What data could you collect? How many trials would you run?
Answer:
Testing prototypes is an inherent part of finalizing designs. Nobody wants to wonder why users are not utilizing an app the way it should be utilized or why they can’t seem to complete a purchase on your website. And nobody wants to rework something that’s already been shipped.
Conducting tests as early as the prototyping stage can help you avoid these unfortunate scenarios. User research with Qualaroo can help you validate your current design and uncover new areas of focus for the next iteration. Use Qualaroo to understand how people use your interface early on in the design process and evolve your prototype into a working product faster.
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Help me! I’ll give the brainliest! I just need a short-ish explaining and we outa here
A bulldozer does 15,000 J of work lifting dirt 15 m up to get it out of a hole. How much force did the bulldozer use to accomplish this task?
Answer:
The answer is 3000 NExplanation:
The amount of force can be found by using the formula
[tex]f = \frac{w}{d} \\ [/tex]
w is the workdone
d is the distance
From the question we have
[tex]f = \frac{15000}{5} \\ [/tex]
We have the final answer as
3000 NHope this helps you
The building blocks of atoms are called:
A.elements
B.atoms
C.sub-atomic particles
D.protons
Answer:
C ,,,,,,,,,-;:--::-'
How to obtain sugar from a solution of sugar in water? Why will filtering not work?
Answer:
Sugar can be obtained by evaporation.
Filtering wont work because sugar is soluble in water thus will mix to form one layer.
Genetic Material Is known as...........
Answer:
Definition of Genetic Material
Well, your genetic material known as deoxyribonucleic acid (DNA) is the reason. DNA is the hereditary material found in the nucleus of eukaryotic cells (animal and plant) and the cytoplasm of prokaryotic cells (bacteria) that determines the composition of the organism.
a graduated cylinder begins with a volume of 30.0ml. If a rock is added to the graduated cylinder, the water level rises to 75ml. The mass of the rock is 55.0g. What is the density of the rock?
Initial volume of graduated cylinder = 30.0 mL
Final volume of graduated cylinder after adding rock = 75.0 mL
Volume of the rock = Final volume of graduated cylinder after adding rock - Initial volume of graduated cylinder
= (75.0 - 30.0) mL
= 45.0 mL
Mass of the rock = 55.0 g
[tex] \rm Density = \dfrac{Mass}{Volume} \\ \\ \rm = \dfrac{55}{45} \\ \\ \rm = 1.23 \: g/mL[/tex]
[tex] \therefore [/tex] Density of the rock = 1.23 g/mL
