Answer:
10
Explanation:
Atomic mass subtracted by the atomic number to get your answer
Molecules cannot change position in a ________.
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
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Answer:
pretty sure it’s a solid
Explanation:
How is thermal energy transferred during conduction? Check all that apply.
Thermal energy is transferred between particles that are not touching each other.
Thermal energy is transferred between particles that are in direct contact with each other.
Thermal energy is transferred between objects of different temperatures.
Thermal energy is transferred between objects of the same temperature.
Thermal energy is transferred from slow-moving particles to fast-moving particles.
Thermal energy is transferred from fast-moving particles to slow-moving particles.
Answer:
Option 2, 3, and 6
Explanation:
Answer:
How is thermal energy transferred during conduction? Check all that apply.
Thermal energy is transferred between particles that are not touching each other.
~~~ CORRECT~~~~Thermal energy is transferred between particles that are in direct contact with each other.
~~~ CORRECT~~~~Thermal energy is transferred between objects of different temperatures.
Thermal energy is transferred between objects of the same temperature.
Thermal energy is transferred from slow-moving particles to fast-moving particles.
~~~ CORRECT~~~~ Thermal energy is transferred from fast-moving particles to slow-moving particles.
Explanation:
Jan 2021 Edge
All matter has both physical and chemical properties. A physical property can be observed without changing the identity of the substance. Which is a physical property?
A. ability to rust
B. density
C. flammability
D. reactivity with the water
Explanation:
Density
Hope it helps :)
what are the stages use to process sugar cane
Answer Explanation:
Cane preparation (cutting and shredding cane to prepare it for juice extraction) Juice extraction (two technologies are in common use; milling or diffusion) Juice clarification (remove suspended solids from the juice, typically mud, waxes, fibres)
When writing a chemical equation, the number of atoms on the reactants do NOT need to equal the number of atoms on the products.
true
false
Answer:
False
Explanation:
When writing the chemical equation number of atoms on the reactant side must be equal to the number of atoms on right side because according to law of conservation of mass, mass can neither be created nor destroyed but change from one to another form, thus total mass remain same on both side of equation.
Law of conservation of mass:
According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.
This law was given by French chemist Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.
For example:
In given photosynthesis reaction:
6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂
there are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.
a wave has a wavelength of 10m and a speed of 340m/s. what is the frequency of the wave?
Answer:
34m/s squared
Explanation:
if yo divide 340m/s by 10m you get 34 and then the m/s and m ad to make m/s squared
during dna replication, if one base is substituted for another, __ occurs.
A. antibiotic resistance
B. meiosis
C. mutation
D. protein synthesis
Answer:
mutation
Explanation:
Fluorine gas reacts with sodium bromide to form
Answer:
Fluorine gas reacts with a solution of sodium bromide in a single-replacement producing aqueous sodium fluoride and bromine gas
Explanation:
i honestly looked this up
An element (either a neutral atom or an ion) can be distinguished from any other element by 1. The number of electrons it has. 2. The number of protons it has. 3. The number of neutrons it has. 4. The combined number of protons and neutrons it has
Answer:
2. The number of protons it has
Explanation:
1. The number of electrons
This is incorrect because atoms and ions can have the same number of electrons from electron gain or loss
2. The number of protons it has
All atoms of an element have the same number of protons and every element has a different number of protons in its atoms. This is the correct option.
3. The number of neutrons it has
Examples includes carbon-12, nitrogen-13 and oxygen-14. They all have the same number of neutrons. This option is wrong
4. The combined number of protons and neutrons it has
Isobars are atoms that have the same mass number (proton and neutron). Examples are S-40, Cl-40, Ar-40 etc This option is wrong
Describe how advances in atomic theory led to the use of atomic energy.
Answer: Atomic theory established that all matter is made of tiny particles, a discovery that led to amazing scientific breakthroughs in areas from modern chemistry to nuclear energy
Explanation:
In preschool, students have the current exchange system for toys: 4 orange blocks = 5 stickers 7 stickers = 2 toy soldiers 3 toy soldiers = 6 dinosaurs How many dinosaurs (dino) will a student get if they have 16 orange blocks?
Answer:
6 dinosaurs
Explanation:
remaining toys the kid will have are 6 stickers and 1 toy soldier.
if you were to take a Radio yo the moon, which of the followings souls corrector describes its change to its mass and weight?
A.Its mass and weigth would not change B. Its mass souls ingrese, and its wight would remain the same
C.Its Weight souls ingrese, and its mass would remain the same
D.Its weight would decrease, and its mass would remain the same
Answer:
its C.
Explanation:
ur really pretty btw
which one has the less density?
Answer:
C
Explanation:
You take the mass/volume to find density.
Answer:
A
Large mass but not as much volume, so not as dense...
Explanation:
What single property was the most important in Jessica's material?
Jessica Kusher
Which title is often used to describe James Madison?
Answer:
Father of the Constitution
Explanation:
PLEASE SOMEONE HELP ME
Answer:
32 atoms
Explanation:
An element with just is a letter is represented as 1 atom
An element with a number after it shows how many atoms (not one atom) is of that element.
I'm not sure if the (6)'s are trying throw you off.
PLEASE HELP RIGHT ANSWER GETS BRAINLIESS
Answer:
I think it would be digention but I can't see the full picture so if its wrong take a better picture that would encapture the entire question
Explanation:
can I get brainlist if it right thx
what do the ions of Beryllium and oxygen have in common?
Answer:
They have same octet configuration ,or we can say that their valence shell has the inert gas configuration ,that of argon and they are stable. They are all common ions.
Explanation: used quizlet
Which of the following statements describes the difference
between a mixture and a pure substance?
A. A mixture tends to be homogeneous, while a pure
substance tends to be heterogeneous.
B. A mixture has a specific melting point, while the
melting point of a pure substance can vary.
C. The density of a mixture can change with temperature,
but the density of a pure substance cannot change.
D. The composition of a mixture can vary from sample to
sample, but the composition of a pure substance is
always the same.
Answer:
A.
Explanation:
I found the answer online when I was researching for it I hope I helped.
Are the rocks on the Northern island are older or younger than rocks on the Southern island?
Answer: I think the rocks in the Northern Islands are older than the rocks in the Southern Islands.
Explanation: Back whenever things were being discovered, people went into the south and started making homes, in the North, those were discovered many years later.
What nuclear symbol can be represented by 40p, 52 n
A point charge is a model that represents the charge is acting uniformly Onit surroundings what other characteristic does a point charge have? A. it has no excess neutrons B. it has no excess protons and electrons C. it has no volume D. it has no Mass
Answer:it’s c
Explanation:
I just took a quiz
A point charge is a model that represents the charge is acting uniformly unit surroundings what other characteristic does a point charge have " it has no volume"
What is point charge?A hypothetical charge at a specific space would be known as a point charge. Even though an electron is often referred to as a point charge, its size might be determined by just a length scale called the electron radius.
What is charge?Wave amplitude at a specific distance is charged (r). It could be described as energy, although a force is a much more common way to do it.
A point charge is a model that represents the charge is acting uniformly unit surroundings what other characteristic does a point charge have " it has no volume"
therefore, the correct answer will be (C).
To know more about point charge.
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What part of the atom determines the identity of an atom?
Every element has a unique atomic number. The atomic number is equal to the number of protons within the nucleus of every atom of the element. There are actually no two elements with the same number of protons within their atoms, so this numbers helps to identify an element.
In summary, the one thing that can determine an atom's identity would be the number of protons.
Hope this helps!
The number of protons (atomic number), which determines the chemical characteristics of the atom (element type), determines the nucleus, which is made up of protons with a positive charge and neutrons without a charge. The number of protons determines the identity of an atom.
The "basic building blocks of matter" are described as atoms. It is the lowest component of matter that possesses chemical elemental characteristics. Atoms do not exist alone; rather, they combine to create ions and molecules, which then join together to form matter in huge quantities.
The atomic number (Z) of an atom is the number of protons in the nucleus. The identification of the atom is determined by the element's value, which is its distinguishing characteristic.
To know more about atom, visit;
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A rock is found in an area that once had an active and has since been affected by erosion. The rock has individual black and white crystals that are easy to see. Which other description fits the rock?
Answer:
exposed to air and water
Explanation:
A rock found in an area that was active once and affected by erosion is a form of sedimentary rocks. Sedimentary rocks can be present in black and white crystals form.
The other description fits the sedimentary rocks is exposed to air and water. Sedimentary rocks are formed by the process of erosion and weathering that include the exposure of rocks to the wind and rain or water, that break down large pieces of rocks into smaller.
Hence, the correct answer is "exposed to air and water".
The other description of the rock is that it's cooled in the volcano. The type
of rock is known as the igneous rock.
Igneous rock is produced when the volcano erupts and is cooled near the
Earth's surface. We were told that the rock was affected by erosion which
took it deep into the soil and became inactive.
High temperature and pressure led to it erupting as a volcano which
explains why it has the black and white color due to heat exposure.
Read more on https://brainly.com/question/20538428
Ariana is drawing a representation of the Milky Way galaxy. She wants to make sure it is the correct shape, and that she correctly labels both the object at the galactic center and the area of the galaxy where the Sun is located. What should she draw?
A
She should draw a spiral galaxy. The center should be labeled “supermassive black hole.” The Sun should be placed on the Orion Spur, about midway between the center and edge of the galaxy.
B
She should draw an elliptical galaxy. The center should be labeled “supermassive black hole.” The Sun should be placed in the Large Magellanic Cloud, near the edge of the galaxy.
C
She should draw an elliptical galaxy. The center should labeled “neutron star.” The Sun should be placed in the Crab Nebula, about midway between the center and edge of the galaxy.
D
She should draw a spiral galaxy. The center should be labeled “neutron star.” The Sun should be placed on the Perseus Arm, near the center of the galaxy.
Answer: A
Explanation:
The answer is the first option: A
The Milky Way is a spiral galaxy with a black hole in the center named Sagittarius A. The sun is located with the other middle aged stars in the Milky Way galaxy, which means it is placed midway from the center or edge of the galaxy.
Someone answer ASAP please
Newton's second law of motion described the relationship among force, mass, and acceleration. Write the equation.
Please help me vote you brainiest
Answer:
Second Law of Motion (Law of acceleration)
- It states that the acceleration of an object equals the net force acting on the object divided by the object's mass.
To simplify, use the magic formula triangle
the units of these quantities were as follows: Force (Kilogram meter per second squared or kg m/s² which is also equivalent to one Newton, or N), mass (kilogram or kg), and acceleration (meter per second squared or m/s²).
The Formula on Law of acceleration is:
If the force is missing, Force = Mass × Acceleration or F = ma
If the mass is missing, Mass = Force ÷ Acceleration or m = F/a
If the acceleration is missing, Acceleration = Force ÷ Mass or a = F/m
Why are ionic compounds soluble in water? Use the words 'dissociate' and 'free floating ions'
in your response.
An EMR photon is 0.01 m long what is it's frequency and what type of wave is it?
Answer: Electromagnetic radiation can act both as a wave or as a particle or photon. Electron radiation is released as photons or bundles of light energy that travel at the speed of light as waves. Therefore electromagnetic radiation can be described by wave theory, where it is represented by its speed, frequency and wavelength.
The number of protons plus the number of neutrons in an atom is equal to its
Uranium has the atomic number 92; its atoms contain 92 protons and 92 electrons. Each atom also has a mass number, denoted by the symbol A. The mass number of an atom is equal to the number of protons plus the number of neutrons that it contains.
(hope this helps ^^)
