The number of protons, neutrons, and electrons is iodine-132, Iodine has 53 protons and 53 electrons as it has no charge the number of protons equals the number of electrons. Iodine-131 has 131 protons as well as neutrons.
What are protons?Protons are subatomic particles that have a positive charge. The strong nuclear force holds protons together in the nucleus of an atom. Neutrons are non-charged subatomic particles (they are neutral).
A proton is a subatomic particle found in every atom's nucleus. The particle has a positive electrical charge that is equal to and opposite to the electron's.
Iodine-132 is the number of protons, neutrons, and electrons. Iodine has 53 protons and 53 electrons because it has no charge, so the number of protons equals the number of electrons. Iodine-131 contains 131 protons and neutrons.
Thus, there will be 131 protons as well as neutrons in iodine-131.
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The number of electrons (e- ) is
Answer:
The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).
Explanation:
table salt has a density of 2.16g/cm3. a cylindrical box holds 4.25 kg of salt. what is the volume, in cm3 occupied by the salt in the box?
Given parameters:
Density of table salt = 2.16g/cm³
Mass of table salt = 4.25kg = [tex]\frac{0.00425}{2.16}[/tex][tex]\frac{0.00425}{2.16}[/tex]g (1000g = 1kg)
Unknown:
Volume of table salt = ?
Solution:
To find the volume of the table salt, let us state the relationship between density, mass and volume.
Density is the mass per unit volume of substance.
Density = [tex]\frac{mass}{volume}[/tex]
Since the unknown is volume;
Density x volume = mass
Volume = [tex]\frac{mass}{density}[/tex]
Input the parameters and solve';
Volume = [tex]\frac{0.000425}{2.16}[/tex] = 1.97 x 10⁻³cm³
Volume of the table salt is 1.97 x 10⁻³cm³
PLEASE HELPP THIS IS DUEE!!!
Answer:
that's so easy but if you still need the answer i am willing to help
Explanation:
PHOTO ABOVE
Answer Choices:
-Sp
-Sp2
-Sp3
-Sp4
I don’t get this!
Answer:
By just counting sigma bond and lone pair in central atom , one can easily find hybridization.
CO2 sp
SO2 sp2
NH3 sp3
BCl3 sp2
i need help with this ASAP
how do i find out the subscripts of an ionic compound?
Answer:
1. Write the symbol and charge of the cation (metal) first and the anion (nonmetal) second. 2. Transpose only the number of the positive charge to become the subscript of the anion and the number only of the negative charge to become the subscript of the cation
Why sulfur has a smaller radius than phosphorus?
Answer:
the radius of sulfur is smaller than the radius of phosphorous. This is because atomic radius tends to decrease as you go left to right across the periodic table. Because sulfur is farther right than phosphorous is, it has a a smaller radius.
Explanation:
hope this helps :)
9
A substance fills a jar. A scientist transfers the substance to a 2
liter bottle. The substance fills the entire space of the 2 liter bottle.
What is the state of matter of the substance?
Answer:
Liquid
Explanation:
The substance had appears to have a fixed volume but took the shape of the bottle it was transferred to.
If the substance doesn't have the same volume, the answer would be gas.
what is the difference between electron dot structure and lewis structures
Answer:
I hope this helps
Explanation:
Lewis symbols, which are also known as Lewis dot diagrams or electron dot diagrams, are diagrams that represent the valence electrons of an atom. Lewis structures, also known as Lewis dot structures or electron dot structures, are diagrams that represent the valence electrons of atoms within a molecule.
HELP ASAP!! FILL IN THE BLANKS! will be brainliest!!!
Answer:
Don't mark me brainliest because of this but I'm pretty sure your supposed to give us the words because teachers don't give you things like that without the words you will the answer in with.
Answer:
Same as number of NUETRONS
POSITIVE charge
number of protons is the same as the atomic NUMBER
Located in the Nucleus
Larger mass than ELECTRONS
Explanation:
GOOD LUCK
Which of these outdoor activities would you most likely participate in during the winter?
A.
hacer una barbacoa
B.
organizar un picnic
C.
nadar en la piscina
D.
ir a esquiar
Answer:
D.
Explanation:
Translation:
A. make a barbecue
B. organize a picnic
C. swimming in the pool
D. to go skiing
Barbecue is usually a summer activity, so we eliminate that.
It would be too cold for a picnic!
It would be too cold to go swimming, and that's more of a summer thing!
Skiing is a snow activity, and since it is winter, it is likely to know.
5. Why does saliva production in the mouth decrease demineralization?
A wave hits a wall as shown. A brick wall with a green arrow pointing to the wall from below and right at a shallow angle. Another green arrow starts where the first arrow touched the wall and goes up and left at the same shallow angle. As the wave interacts with a wall, which kind of wave interaction is shown?
Answer:
A wave reflection interaction (reflected by the wall)
Explanation:
In a reflection, the propagating wave is bounced off the reflecting surface because the medium of the surface prevents the propagation of the wave through it, such that wave is redirected at an angle equal to the angle of incident on the reflecting surface
Reflection takes place with the different forms of waves, such as sound wave, water waves, and light wave
The objects around us are seen with the aid of reflection of light from a light source such that the reflected light enters our eyes after being reflected on the surface of the object, and the object is seen.
Answer:
reflection
Explanation:
its on edg.
Make a suggestion on how you will deal with the problem
Answer:
is it a research work?
Explanation:
if it is first u write about what is a climate what r due to climatic changes
Answer:
《<☆HOPE IT WILL HELP YOU 》>☆
Explanation:
Dealing with the problem by
Never lose your hope you're cofidance your power
Always take dlessing or suggeation from the elder or your parent
•●○Please mark my ans as BRAIN LIST○●•
how many moles are in 500 g of copper
Are carbon atoms a pure substance or a mixture?
Answer:
Substance
Explanation:
Answer: Substance
Explanation:Ex: Hydrogen gas is a pure substance, as it is made up of only Hydrogen atoms or molecules. Carbon, gold, & nitrogen are other elements (pure substances).
where were atoms formed ?
Answer:
They were formed right after the "Big Bang" when our known universe originated from pure energy some billions of years ago. The energy was converted to the elementary particles (quarks, gluons, leptons etc...) from which protons and neutrons were formed. From these, atoms of different elements were produced
Identify 5 basic examples of Solutions?
Answer:
Coffee
Tea
Juice
Bleach
Salt water
Explanation:
Round to 4 significant figures. 9.87553
Answer:
9.876
Explanation:
pls help it’s due at 12
Answer:
it's
D. 2K + 2H2O
Explanation:
it just is
A student measured the mass of some sodium chloride for a lab. the lab called for 6.25 g (the accurate measurement ) , but the student measured 6.00 g instead . what is the percent error for this mass ? Show your work .
Answer:
The answer is
[tex] \huge 4\%[/tex]
Explanation:
The percentage error of a certain measurement can be found by using the formula
[tex]P(\%) = \frac{error}{actual \: \: number} \times 100\% \\ [/tex]
From the question
actual mass = 6.25 g
error = 6.25 - 6 = 0.25
So we have
[tex]p(\%) = \frac{0.25}{6.25} \times 100[/tex]
We have the final answer as
4 %Hope this helps you
How is Science involved in the way a firework works?
10. How many protons, neutrons, and electrons are present in the
140 +3
Ce ion?
Name: Cerium
Symbol: Ce
Atomic Number: 58
Atomic Mass: 140.116 amu
Number of Protons/Electrons: 58
Number of Neutrons: 82
A container of carbon dioxide has a volume of 240 mL at a temperature of 22°C. If the pressure remains constant, what is the volume at 44°C?
Answer:
Volume of the [tex]CO_{2}[/tex] gas at 44°C is 258 ml.
Explanation
here,
using Charles' law ,
[tex]\frac{V}{T} =\frac{v}{t}[/tex]
where , V= initial volume v= final volume
T=initial temperature t = final temperature
Given - pressure is constant ,
so , putting the values -
V= 240ml
T= 22 + 273K = 295K (since converting celsius into kelvin that
is +273K )
v =?
t = 44+ 273K = 317K
Now , putting the given values in charles' law ,
[tex]\frac{240ml}{295K} =\frac{v}{317K}[/tex]
240ml x317K = v x 295K (through cross multiplication )
v =[tex]\frac{240ml\times317K}{295K}[/tex]
= 258ml .
thus , the volume of carbon dioxide in a container at 44°C IS 258ml .
Viruses and bacteria
Answer:
Whats the question lolzzzz
Explanation:
Which element has a greater atomic radius Mg or Cl?
Is ibuprofen conductive in water?
How do you calculate the energy, in joules, of a photon of ultraviolet light with a frequency of 6.8 x 10^15 Hz?
Answer:
E = 45.08×10⁻¹⁹j
Explanation:
Given data:
Energy of photon in joule = ?
Frequency of photon = 6.8×10¹⁵ Hz
Solution:
Formula:
E = h.f
f = frequency
h = planck's constant (6.63×10⁻³⁴Js)
E = energy
Value of planck's constant is 6.63×10⁻³⁴Js.
E = 6.63×10⁻³⁴Js ×6.8×10¹⁵ Hz
Hz = s⁻¹
E = 6.63×10⁻³⁴Js ×6.8×10¹⁵ s⁻¹
E = 45.08×10⁻¹⁹j
Energy is the quantitative unit, which is measured in joules. The energy of a photon of UV light having the frequency 6.8×10¹⁵ Hz is 45.08×10⁻¹⁹ Joules.
Given:
Frequency of photon = 6.8×10¹⁵ Hz
Energy of a photon in joule =?
Usingt the formula of energy:
E = h x v
where,
v = frequency
h = planck's constant (6.63×10⁻³⁴Js)
E = energy
Substituting the values in the equation, we get:
E = 6.63×10⁻³⁴Js ×6.8×10¹⁵ Hz
E = 6.63×10⁻³⁴Js ×6.8×10¹⁵ s⁻¹
E = 45.08×10⁻¹⁹ Joules
Therefore, the energy of a photon in the UV region is 45.08×10⁻¹⁹ Joules
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The outer most energy level of the electron cloud is referred to as the Valence Shell.
O True
O False
3. Two or more substances that are not
chemically combined...
Element
Mixture
Compound
Answer:
Its a mixture.
