Chemistry Middle School

The most abundant Carbon on our planet is Carbon-12. There are two isotopes of Carbon, Carbon-13 and Carbon-14. What makes the Carbon isotopes different from the stable version of the Carbon atom?

the number of protons

the number of neutrons

the number of electrons

the atomic number

The Most Abundant Carbon On Our Planet Is Carbon-12. There Are Two Isotopes Of Carbon, Carbon-13 And

Answers

Answer 1

Answer: the number of neutrons in each of their atoms

Explanation:

Related Questions

What makes up fog? What happens to the water molecules that cause them to turn from fog into rain?

Answers

condensation i think.

When the water vapors condense and water molecules combine to make tiny water droplets in the air is known as fog. The precipitation of fog when the humidity of the fog attains 100% and begins to unite into larger droplets or rain.

How is fog formed?

Fog is the tiny water droplets suspended in the air at or near the Earth's surface. Fog is a type of low-lying cloud and is heavily influenced by nearby bodies of water and wind conditions.

When the environment is very humid then Fog happens. The air around the surface of the earth can hold a certain amount of water vapor in a gaseous state. As more water fills the air, the air becomes more humid is known as humidity.

Water vapor unites to make tiny liquid water droplets that hang in the air during the condensation of the water molecules. Water vapor is a gas and invisible but the fog can be seen with our eyes. The fog turns into rain when the humidity is almost 100% by combing into larger droplets.

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Which feature forms when magma cools beneath Earth's surface?


Geysers


Calderas


Batholiths


Vents








Note- Meant to put it for Geography my bad

Answers

I’m pretty sure it’s Calderas
i believe that the answer is Calderas

pls help me
Describe visible light. Be sure to include ROY G BIV in your response.

Answers

Visible light is the wavelengths that is visible to most human eyes. It is a form of electromagnetic radiation. Characteristic of visible light is color. Humans see a board range of colors in visible light. Each color has its own corresponding wavelength. The dispersion of visible light produces color because of this, visible light is sometimes referred to as ROY G. BIV.

HELP ME ASAP WITH MY SCIENCE HW! I’m currently failing this class

Answers

Explanation:

for claim: you would put something like plant c will grow the tallest.

evidence: measured and water all the same for 5 day.

reasoning they all had the same care just put in different places and on the window seal is the best place to grow plants since it grew the tallest.

Use the person answe above its helpful and accurate

Which properties change the composition of a substance? Ex. H20 breaks down into 2 Hydrogen and 1 Oxygen atom.

chemical properties

physical properties

chemical and physical properties

neither chemical nor physical properties

Answers

This is a Chemical property

Which property is a chemical property of a substance?

reactivity


boiling point


melting point


color

Answers

The correct answer is Reactivity

Answer: reactivity

Explanation:

on the test

How does the behavior of the substances depends on their structures at atomic and molecular levels?
PLIS ANSWER ASAP

Answers

It just does tbh and that’s why it happens that way.
At the most basic level, systems and processes depend on physical and chemical processes. The structure and properties of matter influence the systems and processes containing that matter. Systems and processes also can be understood in terms of interactions, including forces between objects and transfers of energy.

Please help!!i NEED to get this right

Answers

The correct answer is C
The right anwser is C!

How many neutrons are in an element with an atomic number of 9 and a mass number of 19?

9

10

18

19

Answers

Answer:

10 neutrons

Explanation:

This isotope of fluorine has 9 protons, 9 electrons, and 10 neutrons

Answer:

10 is correct answer.

good

Answer this ASAP please!! Question: How many magnesium atoms does magnesium oxide need? (Science) (ONLY ANSWER IF YOU KNOW WHAT IT IS)

Answers

Answer:

40.3 for the unit that represents the minimum amount of magnesium oxide I beilieve.

Explanation:

Magnesium atoms are heavier than oxygen atoms, so we expect more than 50% of magnesium in the weight composition. Taking just one atom of Mg and one atom of O you will get a mass of 16.0 + 24.3 = 40.3.

Hope this helps! Please tell me if you have any questions :))

Why is it important to know how the sun's energy affects the lower atmosphere if you are planning to harness the power of moving air?

Answers

it determines pressure and determines the movement of the wind.

It is important to know the affects of temperature on pressure and thereby on winds.  At high temperature, the pressure will be high and thus, the winds will pass from that area.

What is winds?

Wind is the passage of air through the atmosphere. The uneven distribution of temperature leads to the difference in pressure. The pressure gradient results in wind.

Air pass from  high pressure area to low pressure area. According to Gay- Lussacs law, at the pressure gases is directly proportional to the temperature.

Hence, as the temperature increases, pressure in that area increases, leads to air currents to the opposite direction. This will definitely affects harnessing.

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what does composing mean?

Answers

to come together to form or make (something)

Does the mountain model support the idea of preserving vegetation in areas affected by high rates of erosion? Explain.

Answers

I’m not sure if there was supposed to be a picture, but vegetation does not benefit from erosion
i’m not sure
yeah yeah that’s what i think

the periodic table ____.
a. is arranged by atomic mass
b. was developed by early alchemists
c. is arranged by the number of protons
d. is divided into vertical periods and horizontal groups

It's either a or c I'm pretty sure but i don't know which one​

Answers

Answer:

both a and c

Explanation:

it shows the mass of the element along with protons

Answer:

A. is arranged by atomic mass   and/or number

Explanation:

hope i helped

Which of the following is a way to replace toxic cleaning products at home?

Answers

Answer:

I think the answer to the question is number 2 "make your own non-toxic cleaning products using common kitchen ingredients"

answer #2 would be the correct answer to this problem

pls help me
Which statement is TRUE?
When you see a red strawberry, you only see red wavelengths because red is a primary color.
When you see a red strawberry, red wavelengths are being absorbed, and all other wavelengths are reflected.
When you see a red strawberry, you only see red wavelengths because they are the longest.
When you see a red strawberry, the red wavelength is reflected, and all other visible light wavelengths are being absorbed.

Answers

the last one is true

HDSJDHAJ SOMEONE HELP ME IM ABOUT TO FAIL MY SCIENCE CLASS


The characteristics of two methods of heat transfer are listed below:

Method A: Does not transfer heat through solids and requires a medium for heat transfer
Method B: Requires a material medium and transfers heat from the hot end to the cold end of a solid

Which statement is correct?

Answers

Answer:

Method A is radiation and Method B is convection.

Explanation:

hope this helps!

Pls mark as brainliest :)

A radiation
B is convetion

A neutral Iron (Fe) atom loses 3 electrons, what is the result?

a positvely charged ion

a negatively charged ion

a new isotope

a new element

Answers

Answer:

A positively charged ion.

Explanation:

Hope this helps!( I think this is the answer.)

A positively charged ion because iron is a metal and so when it loses electrons they become positively charged as they go to the anode.

4. Fill in the chart to compare the four common types of data tables.
Type of table
Example of how it is used
Shows a list of related pieces of data
I
Two column table
Table with several columns
Organizes all data from a study. The
headings describe how the study was done.

Answers

Answer:

the DisciplineCoordinator have nth to say that I Don't want to keep you updated on your answer and I said that she was joking about the day yesterday

Explanation:

that's good to hear I'm not sure what you are controlling the DisciplineCoordinator

What do you have to change in order to change the motion of an object? (2 points) a Distance b Duration c Speed d Time

Answers

Answer:

123456789890-0-------plmnbvzxcvdasdgf  

:]

Explanation:

To change the motion of an object, you will change its: Speed and time. Option C and D is correct.

Changing the speed of an object will alter how fast or slow it moves. Increasing the speed will make the object move faster, and decreasing the speed will make it move slower.

Changing the time over which the object is in motion will also affect its overall motion. For example, if an object covers a certain distance in a shorter time, it will have a higher average speed compared to covering the same distance in a longer time.

By modifying the speed or time, you can change the motion of an object, making it move faster or slower or for a longer or shorter duration. Changes in distance or duration may also indirectly impact the motion, but speed and time are the primary factors directly affecting an object's motion.

Hence, C. D. is the correct option.

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Please help me with this!

Information needed to answer:

A pharmaceutical spectroscopist places a sample of a pain reliever into a mass spectrometer and obtains data about different compounds within the sample. The image below shows a mass spectrograph of the data. The relative intensity, shown on the vertical axis, indicates the relative amount of each compound in the sample. The m/z (mass to charge) ratio, shown on the horizontal axis, is related to the molecular mass of each compound.

Question:

Describe two observations you can make from the graph. (Graph is below)

As usual, any non-answers will be reported. Thank you!

Answers

Answer:

                                               

Explanation:

Somebody solve for density please having trouble lol (the 2nd one is density and volume

Answers

Use a calculator to plug in the different numbers to the equations

Answer:

stjdfyilhffffffffyydrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrdddddddddddddddddddddddddddddtttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwvvrvtfdr

Explanation:

MATCH THESE ITEMS
1. neutron
2. proton
3. alloy
4. potassium
5. sugar
6. gold
7. salt water
8. sodium
Au
no electric charge
positive electric charge
liquid solution
solid solution
compound
Na
K

Answers

Answer:

Picture

Explanation:

Chemistry-

In the photo……………………….

I need help, thankyou.
List 5 things how Prokaryotic cell and Eukaryotic cell are alike

Answers

Answer:

refer to the picture below; hope it helps :)

Explanation:

everything that says yes means it has it in common.

they both have membranes , they both have a cytoplasm, ribosomes are included in protein synthesis, and they both have DNA

What effect does the speed of the water in the Colorado River have on the appearance of the Grand Canyon?

Answers

Erosion by tributary streams led to the canyon's widening.

In an ecosystem of the Grand Canyon, the  tributaries of the Great Canyon like Colorado river lead to widening of Great Canyon.

What is an ecosystem?

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Q 1
The quartz in the sand in Florida weathered and eroded from the Appalachian Mountains to Florida .

True
False
please say the right answer im counting on you guys <3

Answers

The correct answer is true

i dont get it, i need help

Answers

Answer:

Substance 2 and 5

Explanation:

the number at the end of each letter represents how much there is of it

fo example h3 means there is 3 hydrogens and c means there is 1 carbon atom

Answer:

I think it's subtance 2 & 5

Explanation:

Which statement is true about mass and weight?

Question 1 options:

Neither mass nor weight are affected by gravity.


Mass and weight change based upon the amount of gravity.


Weight is constant but mass changes based upon the amount of gravity.


Mass is constant but weight changes based upon the amount of gravity.

Answers


D. Mass is constant but weight changes based upon the amount of gravity.
Last option is correct

Please help this is so hard 1: Why is the sky blue?
2: Why does the moon appear in the daytime?
3:How much does the sky weigh?
4: How much does the Earth weigh?
5: How do air planes stay in the air?
6: Why is water wet?
7: What makes a rainbow?
8: Why don't birds get electrocuted when they land on an electric wire?

Answers

Answer:

1. blue light is scattered more than red light

2. The surface of the moon is reflecting the sun's light into our eyes. When we see the moon during the day it's because the moon is in the right spot in the sky and it's reflecting enough light to be as bright, or brighter, than the sky

3. 14.7 lbs per square inch of earth surface which is roughly 11 billion billion pounds

4. 5.972 × 10^24 kg

5. They are lift, weight, thrust and drag. Lift pushes the airplane up

6. because its viscosity is low,

7. light striking water droplets

8. The energy bypasses the birds and keeps flowing along the wire instead

Is the chemical equation 2Na + Cl2 = 4NaCl balanced?

Answers

Answer:

wrong

Explanation:

the answer is

2Na+Cl2=2NaCl

to have 2 Na and 2 Cl on both sides

only 2NaCI not 4 but good try!
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