An atom ion and isotope of an element have in common that both have the same number of protons but they have different numbers of neutrons.
WHAT IS AN ION AND ISOTOPE?An ion is a charged atom while an isotope is the atoms of an element with the same atomic number but different atomic mass.
For example; Mg2+ is the ionic form of Magnesium while C-12 and C-14 are isotopes of carbon.
Here the ion of an atom will have a different charge but the same mass.
Also The isotope of an atom will have a different mass.
The number of protons V/S the more general atom, an ion has a different number of electrons, and an isotope, a different number of neutrons.
Hence atom ion and isotope of an element have in common that both have the same number of protons but they have different numbers of neutrons.
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Mrs. Sprague wants to determine which type of ball has the highest bounce. she
drops a tennis ball, soccer ball, then a basketball from a height of 15 feet, and
measures and records how high each type of ball bounces back up.
What is the Independent Variable in this experiment?
A.the different types of balls being tested
B.the height of the drop
C.the height of each bounce
D.the measuring tape
PLEASE HELP
Answer:
Explanation:
It's going to be the height of the drop. That is kept as a constant. The dependent variable is how high each ball bounces.
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Answer:
Chlorination
Explanation:
"Exposure to high volumes of chlorine gas fumes can cause serious health problems, including death."
https://water.mecc.edu/courses/ENV211/lesson14_print.htm
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The atomic number of oxygen is 8. The mass number of an atom of oxygen is 17. Describe the number and type of particles in the nucleus of this atom.
Answer:
protons: 8
neutrons: 9
Explanation:
the atomic number tells you how many protons are in a element. The mass is the number of protons + neutrons.
17 - 8 = 9 neutrons
There are 8 protons and 9 neutrons in the nucleus of the oxygen atom.
What is the atomic number and mass number of an atom?The atomic number of an atom is the number of protons in atom of an element.
It can also be defined as the number of electrons in a neutral atom of an element.
The mass number is the number of protons and neutrons in the nucleus of an atom of an element.
The proton number of the oxygen atom is 8
The neutron number is 17 - 8 = 9
Therefore, in the nucleus of the oxygen atom, there are 8 protons and 9 neutrons.
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Select the correct answer from the drop-down menu.
1. What are the 5 characteristics a substance must have in order to be a mineral
Answer:
A mineral has to be naturally occurring, inorganic, solid, have a crystal structure, and have a definite chemical composition.
Explanation:
What will happen when we replace oxygen with nitrogen in our life while breathing and what will happen if it was in our cells? (Theory no one has ever thought)
Explain why, at room temperature, CO2 is a gas and CS2 is a liquid. You may use diagrams as part of your explanation.
Explanation:
A. Hydrogen bonding is present in CS2 but not in CO2.
B. CS2 has greater dipole moment than CO2 and thus the dipole-dipole forces in CS2 are stronger.
C. CS2 partly dissociates to form ions and CO2 does not. Therefore, ion-dipole interactions are present in CS2 but not in CO2.
D. The dispersion forces are greater in CS2 than in CO2.
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Neon consists of three isotopes: Neon-20 with a mass of 19.992 amu and an abundance of 90.48%, Neon-21with a mass of 20.994 amu and an abundance of 0.27%, and Neon-22 with a mass of 21.991 amu and an abundance of 9.25%. Determine the average atomic mass of Neon:
Example The anticancer druge cir-platin hydrolysis in with constant 1. Solo - at pH 7:0 and 25°c. calculate the half life of the reaction
Answer:
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What is the windward side of the sand dune
Answer:
A dunes windward side is the side where the wind is blowing and pushing material up. A dunes slip face is simply the side without wind. A slipface is usually smoother than a dunes windward side. A collection of dunes is called a dune belt or dune field.
Explanation:
Hope this helps...
2+2+2 plssssssssssssssssssssssssss
Answer:
6
Explanation:
2+2+2=6 :)
Answer:
6
Explanation:
vvvffhjh DC hcf vhcnbfhbc
how many electrons must beryllium gain or lose to form stable ions
Explanation:
beryllium must loss 2 electrons to form a stable octet to its nearest noble gas Helium.
It can loss electron because it is a metal and is placed in 2group and 2 period in group of alkaline earth metals.
hope this helps you to.
Imagine that you traveled to the Moon for a vacation and discovered that your weight is different there. How would your weight be different on the Moon than on Earth? Why would it be different? Does this mean that you ""lost weight"" and need to buy new clothes that fit? Why or why not?
Answer
No you did not lose weight.
Explanation:
Weight is the force acting on an object, Gravity is a force on earth which does not apply to the moon so your weight may change depending in where you are but your mass will stay the same because mass measures the matter of an object ITSELF! Have a nice day....
Answer:
I would take my weight on Earth and divide it by 6. I'd weigh less because the gravitational pull on the Moon is less, and, weight is the measure of gravitational pull. I wouldn't "loose weight" because I'd weigh the same on Earth as I did the day I left (give or take a few pounds).
Explanation:
Is vegetable soup a homogeneous or heterogeneous mixture
Answer:
heterogeneous
Explanation:
have you ever started to eat veg soup and begin with a spoon full of broth, no veggies,
Then when you get to the end, there are veggies. no broth.
In a homogeneous mixture, every sample is the same
in a heterogeneous mixture, the composition changes from sample to sample
Question 2 Which models of the atom from task 1 are not supported by Rutherford’s experimental evidence? For each of these models, explain the experimental results that the model would predict.
Answer:
Sorry I don't know.
Explanation:
I'm only in middle school.
In 6CH4, we have 6 molecules of CH4. What is the 6 called?
Answer:
The coeffeceient
Explanation:
how can you tell the number covalent bonds the atoms of an element can form?
7. How do the test variables (independent variables) and outcome variables (dependent variables) in an
experiment compare?
The test variable (independent variable) and outcome variable (dependent variable) have no affect
BL A. on each other.
The test variable (independent variable) controls the outcome variable (dependent variable).
BB
The outcome variable (dependent variable) controls the test variable (independent variable).
B.C.
The test variables (independent variables) and outcome variables (dependent variables) are the same
Bi D. things
Answer:
The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.
Explanation:
Hope this helps...
The colour observed hrainbow during on the lower side of a a sunny rainy day is
Answer:
..
Explanation:
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Answer:
I and II
Explanation:
3. How many moles of silver is 8.46x1024 atoms of
silver?
Answer:
14.05 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\[/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
[tex]n = \frac{8.46 \times {10}^{24} }{6.02 \times {10}^{23} } \\ = 14.053156[/tex]
We have the final answer as
14.05 molesHope this helps you
What charge would an ion have if it had more electrons than protons?
A. It would have a net positive charge.
OB. It would have no charge.
C. It would have a net negative charge.
Ο Ο
D. It would be neutral, since electrons would be outside the nucleus.
Answer:
it will have a net negative charge and it is known as anion
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Answer:
The answer should be primary pollutants from a stationary source.
Explanation:
Primary pollutants are emitted directly from a source and do not change in the atmosphere, and from a stationary source because manufacturing factories have a fixed location.
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How are glucose and galactose epimers?
Kindly describe in brief how this epimer is different from manose and glucose one.
Help please and thanks!
Answer:
hehe I needed some brianliest plz OK
Explanation:
Glucose and galactose are monosaccharides that differ from one another only at position C-4. Thus, they are epimers that have an identical configuration in all the positions except in position C-4. ... Glucose and galactose are epimers that do not differ in position C-5 but differ in position C-4.
Glucose and mannose are epimers that differ at the C-2 carbon, while glucose and galactose are epimers that differ at the C-4 carbon, as shown below. When a molecule such as glucose converts to a cyclic form, it generates a new chiral center at C-1.
I wish this is ur ANS Thank You !!!Read the article by Michael Fumento, writer for the New York Post editorial blog, who does not support global warming.
Back in 2005 I and others reviewed the entire hurricane record, which goes back over a century, and found no increase of any kind. Yes, we sometimes get bad storms—but no frequently now than in the past. The advocates simply ignored that evidence.
Fact is, the earth was cooling and warming long before greenhouse gases could have been a factor. The [global warming supporters] have been proved wrong time and time again.
Which best describes the reliability of the source?
Nationally certified organizations are considered an unreliable source because the public can access their information.
Charities are considered a reliable source because the public makes financial contributions to them.
Editorial blogs are considered an unreliable source because the author may not have a science background.
Editorial blogs are considered a reliable source because authors contribute to them regularly.
The editorial blogs are considered an unreliable source because the author may not have a science background. Option C
What the reliability of a source?We know that not all sources of information could be taken to be reliable. A source of information could come across as being reliable when the source is an authority in the area in which the information is furnished.
Such authorities often publish authentic and verified information in reputable journal that are meant for professional consumption.
Thus, the editorial blogs are considered an unreliable source because the author may not have a science background.
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ce cantitate se solutie NaOH de cantitate 0.2 M reactioneaza total cu 300g fenol de puritate 90%?
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what is the strongest intermolecular force to be overcome when ethanol is converted from a liquid to a gas?
Answer:
hydrogen bonding
Explanation:
The strongest among them is hydrogen bonding, and the weakest are London dispersion forces.
The strongest intermolecular force to overcome when ethanol is converted from liquid to a gas is hydrogen bonding.
Intermolecular forces are forces that are a weaker force of attraction than intramolecular forces.
Intermolecular forces are forces between molecules and hold these molecules together.
Hydrogen bonding is an example of intermolecular forces between the OH group in the alcohol.
During the conversion of ethanol from liquid to gas state, hydrogen bonding occurs between the partial negative charge in the oxygen and the partial positive charge in the hydrogen.
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Chemistry
How does the difference in size of particles affect the rate of diffusion?
Explanation:
Heavier particles will move more slowly and so will have a slower rate of diffusion. Smaller particles on the other hand will diffuse faster because they can move faster.
Explanation:
smaller particles diffuse faster
larger particles diffuse slower
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Answer:
In Test 1 the person substantially did better and either had better knowledge of the subject or studied for it more then they did for Test 2.
Explanation:
Which phrase describes transmutation?(1 point)
the conversion of an atom of one element into a different element through nuclear changes
the conversion of energy to matter through chemical changes
the conversion of protons to neutrons through nuclear changes
the conversion of one substance to another through chemical changes
Help plss quick
thx
The phrase that describes transmutation is ; ( A ) The conversion of an atom of one element into different element through nuclear changes.
Transmutation is simply the change of an element to another element, transmutation occurs at the nucleus of the atom of an element and this process is initiated through nuclear reaction ( radioactive decay ).
Therefore the conversion of an atom of one element into different element through nuclear changes summarizes the term "transmutation".
Hence we can conclude that the phrase that describes transmutation is the conversion of an atom of one element into different element through nuclear changes.
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Answer:
Unit 4 Lesson 2:
Energy Release Quick Check
1. 138
2. The conversion of an atom of one element into a different element through nuclear changes.
3. A nuclear equation is balanced according to mass number. A chemical equation is balanced according to the total mass before and after the change.
4. 82
5. Some of the matter is converted to energy.
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