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1. What is an isotope?
2. What does the number next to isotopes signify?
3. How can you tell isotopes apart?
1. Definition Of Isotope:
Two or more forms of the same element contain equal amounts of protons but different amounts of neutrons.
2. What Does The Number Next To Isotopes Signify?
Atomic mass is the number next to the isotope.
3. How Can You Tell Isotopes Apart?
To tell the difference, isotopes will have different atomic mass than other atoms that make the same element.
Hope this helps!
~Hocus Pocus
Answer:
Explanation:
a) Isotope, one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties.
b) The number indicates the isotope's mass number.
c) Isotopes can be told apart by their mass numbers. Isotopes of the same element have the same quantity of protons in their nuclei.
If I have one mole of gold atoms, how many gold atoms do I have?
Answer:
6.022 X 10^23
Explanation:
avatars number states that for every mole of an element there are 6.p22 X 10^23 atoms of that element
Answer:
I hope it's helpful for you....
Explanation:
There are 6.022 X 1023 atoms in one mole of gold.
Describe the oceanic crust NO LINKS
Answer:
oceanic crust is the relatively thin part of the earth's crust which underlies the ocean basins. It is geologically young compared with the continental crust and consists of basaltic rock overlain by sediments
Explanation:
I hope this helped ;)
Answer:
Oceanic crust, the outermost layer of Earth’s lithosphere that is found under the oceans. Oceanic crust is constantly formed at mid-ocean ridges, where tectonic plates are tearing apart from each other.
Explanation:
can someone help me make a flowchart between domains and kingdoms use paper or a online thing but dont give me no scam links plz this is since btw
Answer:
bacteria is all around us which is why we get blocked noses as it is a buildup of trapped bacteria
Explanation:
Your teacher created a 2 g/L salt-water solution (solution A) and a 2.5 g/L salt-water solution (solution B), both in 500 mL of water. Using the concentration equation, which solution is more concentrated? How do you know?
Answer:
Solution B,
A concentrated solution is one that has a relatively large amount of dissolved solute. A dilute solution is one that has a relatively small amount of dissolved solute. However, these terms are relative, and we need to be able to express concentration in a more exact, quantitative manner.
Sustainability means that the needs of which two populations will be met.
Present and future humans
Past and future humans
Americans and non-Americans
Polar Bears and Rainforest animals
Answer:
Present and future
Explanation:
I did the test. It's the MOD 2: Human Impact Quiz, right? I have Mrs. Wurzenberger from Elevation ;P
Which process is most responsible for leaving salt molecules in ocean water?
What is the molar mass of: Ga2(SO3)3?
Answer:
Explanation: The molar mass and molecular weight of Cr2(SO3)3 is 344.182.
Which of the following best explains why the oceanic crust is youngest at the oceanic ridges?
A.the theory of plate tectonics
B.the flow of the oceans’ currents
C.the different depths of the ocean
D.the theory of continental spreading
Answer:
the different depths of the ocean
I am a metalloid. I am in the nitrogen family and row 4. I have an atomic mass of 74.92. I can be used as a poison. Who am I?
Answer:
As – Arsenic
Explanation:
Let's break this down step by step. Make sure you have a periodic table to reference.
"I am a metalloid" – We will be looking towards the right side of the periodic table. The possible choices are boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), and astatine (At).
"I am in the nitrogen family" – Families are elements grouped by columns. The nitrogen family is group 15. The possible choices are now arsenic (As) and antimony (Sb).
"and row 4" – Counting from the very top (don't forget row 1 of hydrogen and helium), we can see that arsenic (As) is in the 4th row.
"I have an atomic mass of 74.92" – Arsenic (As) does have an atomic mass of 74.92, which confirms our answer.
Hope this helps!
A sample of water is boiling as heat is added at a constant rate. Which statement describes the potential energy and the average kinetic energy of the water molecules in this sample? AKS 5a A The potential and kinetic energy increases. B. The potential energy increases and the kinetic energy decreases. C. The potential energy decreases and the kinetic energy increases. D. Potential energy remains the same.
Answer:
I think it is D if not I am very sorry!
Joe, a hiker, stands at the top of a hill on a trail above the ocean. Joe's friend Dave is just starting out at the trailhead, which is at the beach.
Which statement about this scenario is accurate?
The air Joe is breathing is denser than the air at sea level.
The air pressure is higher where Joe is than where Dave is.
If Joe keeps going up, air pressure will continue to decrease.
The air Joe is breathing is denser than the air Dave is breathing.
Answer:
C. If Joe keeps going up, air pressure will continue to decrease.
PLEASE HELP QUICKLY!!!
Answer:
D
Explanation:
PLEASE HELP MEEE I WILL MARK BRAINLIST FOR THIS ITS SUPER SIMPLE....BUT U MUST TYPE EVERYTHING
all I need you to do its to type out these pictures word for word it pretty simple
Succession
Ecosystems are "dynamic." This means that ecosystems change over time.
During the ice ages, glaciers once covered areas that are tropical rainforests today. Both natural forces and human action cause ecosystems to change.
If there is a big ecosystem change caused by natural forces or human actions, the plants and animals that live there may be destroyed. Or they may be forced to leave.
Over time, a new community will develop, and then that community may be replaced by another.
Succession
Primary succession is the type of ecological succession that happens on new lands - lands where life has not yet existed. Primary successions can take place after lava flow cools and hardens into new land, or a glacier recedes exposing new land.
Secondary succession is the type of succession that happens after something destroys the habitat, such as a flood or natural disaster. Abandoning a field that was once used for agriculture can also lead to secondary succession.
2. Make a 29 day timeline. Along the timeline draw and label the phases of the Moon starting with a full moon, crescent, first quarter, gibbous and full. Finish the second half showing the waning moons back to the new moon.
Dont know if this helps but here
Moon phases represent the names given to points in its orbit around Earth. Each phase lasts for only an instant as the moon constantly moves. To the naked eye, the full moon lasts about three days, but in reality, it is a full moon for just an instant before it begins to wane. The moon takes just under one month -- an average of 29 1/2 days -- to complete its phases.
TL;DR (Too Long; Didn't Read)
As the moon passes gradually and continually through its monthly cycle, each phase lasts only an instant. The Full Moon, for example, is simply a point halfway between waxing gibbous and waning gibbous.
Phases of the Moon
The moon has eight phases: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter and waning crescent. But it is not as simple as dividing 29 1/2 by eight to find out how long each phase lasts. The fraction by which the moon is illuminated steadily increases or decreases at all times.
Primary and Intermediate Phases
The primary phases of the Moon cycle are the new moon, the first quarter, the full moon and the last quarter. The dates and times of these phrases -- which you can calculate or find on calendars -- change from month to month according to the positions of the Sun and the Moon. Astronomers refer to the crescent and gibbous phases as intermediate phases.
This term does apply to water from precipitation that flows over Earth's surface.
A. gravity
B.runoff
C.condensation
D.reservior
Answer:
Runoff
Explanation:
I searched it up
Hope this helps : D
Answer:
b
Explanation:
Without gravity, objects in the solar system would—
A. orbit much faster
B. orbit much slower
C. move in straight lines
D. stop moving altogether
please help i’ll mark brainlest, no links or unnecessary comments.
Why is cellular respiration essential for homeostasis? (4 points)
To create energy that the cell can use
To make air in the body
To remove oxygen from tissues
To make new types of cells
Answer:
A - To create energy that the cell can use
Explanation:
What are TWO possible effects on the ecosystem if the SNAKE population was completely killed off by a virus?the mouse population could increase
the grass population could decrease
the hawk population could increase
the mouse population could decrease
Answer:
The Mouse population will increase: True
The Grass population will increase: False
The Hawk Population will increase: False
The Mouse population will decrease: False
Explanation: This is true because now there is no snake to kill them off. Still, there is the hawk that is there but there will be a general increase in the mouse population
The two possible effects on the ecosystem are the mouse population could increase and the hawk population could decrease.
What is an ecosystem?An ecosystem is a geographical area where the plants, animals, and other organisms, as well as weather and landscape, work together to form a life. Ecosystems consists of biotic and abiotic factors. Biotic factors include plants, animals, and other organisms. Abiotic factors include rocks, temperature, and humidity.Every factor (biotic or abiotic )in an ecosystem depends on every other factor, either directly or indirectly.What is population?Population is a group of individuals of the same species living and interbreeding within a given area.
If the snake population become extinct, the prey population on which snakes feed on would increase and the predators that feed on snakes would decrease. As a result of these effects there will be considerable imbalance in the ecosystem.
To learn more about ecosystem here
https://brainly.com/question/22690041
#SPJ2
Help please ASAP just with number 7
Answer:
He is percieved in a warm climate.
Explanation:
The frog doesn't feel too cold or too hot. He is just right.
(NО FILES,NО TAKEING PОINTS) CОMPLEТE ТHE HOLE THING!!!.... PLEASE
1.Which twо of the following оrganisms are prоducers in this fоod web?
Bilberry and brоwn lemming
bilberry and grizzly bear
bilberry and beаr sedge
2. Which animal is а 4th level cоnsumer (аpex predator)?
Earthwоrm
caribоu
rough legged hawk
brown lemming
3.Which animal is a primary consumer?
snоwy оwl
brоwn lemming
shоrt-tailed weasel
lichen
4.Which arrоws shоw matter mоving frоm a prоducer tо a primary consumer?
choose ur anwser below
Which of the following is not a natural change to the environment?
flood
drought
ranching
disease
Matter changes states during fusion and vaporization. How is this related to heat?
Answer:
When you heat up water, it starts to evaporate slowly into the air. When you fuse two things together, that takes a lot of heat to do. Both of these things are related to heat.
Explanation:
Answer:
At the point when you heat up water, it begins to vanish gradually into the air. At the point when you intertwine two things, that takes a great deal of warmth to do. Both of these things are identified with heat.
Explanation:
What are three ways we can measure sustainability while evaluating whether to buy a product?
Personal, Political, and Entertainment impacts
Environmental, Political, and Equitable Impacts
Environmental, Economic, and Societal Impacts
Economic, Personal, and Popularity Impacts
Answer:
Environmental, Economic, and Societal Impacts
Explanation:
If the product is popular it'll be on social media...
If it helps you in some way it is useful, and probably needed
I need help please . science
Answer:
Whats that supposed to mean?
whats the question
Explanation:
PLS HELP ME NO LINKS
Answer:
totally A jk
Explanation:
i say D
I'm not really sure..im sorry...but i believe that its either B or D :(
Which of the organisms in this food web gets energy from both producers and consumers?
Mysid Shrimp
Sand Shrimp
Anchovy
Algae
The organisms from the food web that gets energy from both producers and consumers is Sand shrimp or Algae.
What is food web ?A food web can e regarded as the natural interconnection of food chains and its graphical representation.
Therefore from the diagram Sand shrimp or Algae gets energy from both producers and consumers.
Learn more about food web at;
https://brainly.com/question/14165885
What are the three major points of Particle Theory?
Answer:
All matter is made up of very small particles.
There is space between particles.
All particles in a pure substance are the same.
The particles in matter are always in motion.
Particles are attracted to each other.
Explanation:
hope it helps
Why does food need to be digested?
Answer:
Food needs to be digested so it can be broken down into sugar molecules and nutrients that can be used by the cell to stay alive.
Explanation:
Solar System Web quest Name: Addison Thurman Class Period: 2nd
Use the following to answer 1 & 2.
http://starchild.gsfc.nasa.gov/docs/StarChild/universe_level1/universe.html
Where is our solar system located in the Milky Way Galaxy?
Where is our solar system located in the Universe?
Using the following websites, Complete the table below to Compare and contrast the planets.
a.http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/solar_system.html
b. http://nineplanets.org/
c. http://www.pbs.org/wgbh/nova/space/tour-solar-system.html
Planet
Size relative to Earth
(Diameter-miles/km)
Surface and Atmospheric features.
Include: temp. gases, etc.
Relative distance from the sun (miles/kilometers)
Number of Satellites/ Moons
Special Features or Characteristics
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Dwarf Planet - Pluto
The Big Bang – Use the following url to go through the History of the formation of our Universe and Planet.
Click on this site and Launch the Interactive Evolution of the Universe: http://www.pbs.org/wgbh/nova/space/history-universe.html
GAMES
More NASA Games http://spaceplace.nasa.gov/menu/play/
SciGames http://www.scigames.org/
Answer al of these and I will make you brainiest whoever gets it first.