Answer:D
Explanation: if you have more than 2 authors , you cite the article by using the last name of the author followed by the phrase “et al”
APA- style citation is a writing format to mention and cite the sources in the journals and papers. Citation for an article with 3 authors is given as, Jones, et al., 2012. Thus, option D is correct.
What is APA- style citation?APA- style citation is the format given by the American Psychological Association. It is a citation style that quotes the author's last name and date. The data quoted are enclosed in parentheses. For example, (Robert, 1997)
Unlike MLA, the APA citation style capitalizes only the titles and proper nouns. The tiles in the source are written in italics. The in-text and the reference list of the citation differ a little.
When a source contains three authors then, the APA citation style writes the last name of the author followed by the et al., and the year like Jones, et al., 2012.
Therefore, option D. Jones, et al., 2012 is the correct APA citation style.
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Chloroplasts _____. are filled with chlorophyll make carbon dioxide are taken in through plant leaves are not needed to make food
Answer:
Are filled with chlorophyll.
Explanation:
Chlorophyll is found inside plant cells in tiny oval-shaped bodies called chloroplasts.
Answer:
Are filled with chlorophyll.
Explanation:
hope this helps∑∑WHAT ELEMENT!!!!!!!! I am found in the transition metals above Period 5 and I am found naturally in the Earth's crust.. I am often associated with the color blue. I am....
Answer:
Hydrogen?
Explanation:
I'm probably wrong but I hope it helps
Answer:hydrogen
Explanation:
Please help, i’ll mark you brainliest!!!
Answer:
See attached picture!
Explanation:
You are dealing with salts. This means that you write the name of the metal (sodium) with the name of the nonmetal (chloride). You need to change the end of the name of the nonmetal (chlorine to chloride; bromine to bromide).
To find the balanced compound, use the charges of the cations and anions. You need to write the compounds so that the total charge of the salt is 0.
An ionic bond occurs between what particles?
two neutral atoms
a positive and negative ion
two negative ions
two positive ions
Answer:
a positive and negative ion
Explanation:
An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.
Answer:
A positive and negative Ion. I took the test!
Explanation:
An ionic bond occurs between what particles?
two negative ions
a positive and negative ion
two neutral atoms
two positive ions
Which type of rock is a foliated metamorphic rock?
granite
marble
quartzite
slate
Answer:
Slate
Explanation:
Answer:
D. Slate
Explanation:
Had the quiz, got it right
Someone help me with this I don’t understand it all all :/
The ona that makes more sense is the first one
what type of waves have the shortest wavelength?
Answer:
What are the answer choices
Explanation:
CHEM PLEASE HELP!! WILL GIVE BRAINLIST
Answer:
Oxygen, 15.9994
Explanation:
Use the dominant isotope
During an experiment, Jon exhales through a straw and blows bubbles into a solution. Which observation would most likely indicate that a chemical reaction is occurring?
The bubbles disappear into the solution before reaching the surface.
The gas forms a layer above the surface of the solution.
The solution becomes very stirred up by the bubbles.
The solution becomes cloudy with a white solid.
Answer:
Im not sure but I think is D.The solution becomes cloudy with a white solid.
Explanation:
Answer:
the answer is D the solution becomes cloudy with a white solid
Explanation:
please help i’ll mark brainliest also which one is b pointing to and is it an animal or plant cell?
Question:
What organelle is A and B pointing?
Answer:
A = Nucleus
B = Cell Membrane
Explanation:
As we can see A points at the centre of the plant cell. Which is a nucleus. And B points to the outer part of the plant cell. Which is a cell membrane.
Hopefully this answer will help you.
Water vapor inside an aluminum can has a pressure of 1.00 atm at a
temperature of 120.°С. What is the pressure of the gas when the
temperature is dropped to 100.°C?*
Answer:
P2 = 0.95atm
Explanation:
Using Gay Lussac's equation as follows
P1/T1 = P2/T2
Where;
P1 = initial pressure
T1 = initial temperature
P2 = final pressure
T2 = final temperature
According to the information provided in this question; P1 = 1.00atm, T1 = 120°C, P2 = ?, T2 = 100°C
We need to convert temperature in °C to K
T1 (K) = 120°C + 273K = 393K
T2 (K) = 100°C + 273K = 373K
Hence;
P1/T1 = P2/T2
1.00/393 = P2/373
373 × 1 = 393 × P2
373 = 393P2
P2 = 373/393
P2 = 0.949
P2 = 0.95atm
How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125 contain?
a. 75 electrons, 50 protons, 50 neutrons
b. 120 neutrons, 50 protons, 75 electrons
c. 70 neutrons, 75 protons, 50 electrons
d. 50 protons, 50 electrons, 75 neutrons
what 2 word description did weebo and the professor use before they thought of the name flubber
Answer:
its fluid and rubber
Explanation:
fluid and subber made a solid.
1. Which of the following is NOT a fossil fuel?
a. Coal
b. oil
c. natural gas
d. hydrogen
Answer:
Hydrogen
Explanation:
im not 100% sure , but let me know
Answer:
D) Hydrogen
Explanation:
Hydrogen is a way of storing or transporting energy. You need to make it or extract it before you can use it.
what is the smallest component of matter is...
btw the subject is science
Answer:
Atoms
Explanation:
Answer: The answer is atoms! Have a great day!
I need the answer to question 8 please
Answer:
Explanation:
14.0x20.0=280
what are two pure substances that whould make a mixure and could then be separated from the mixure with a magnet
Answer:
We can separate iron from a mixture of sand and iron, as only the iron is attracted to the magnet.
Explanation:
PLEASE HELP WILL GIVE BRAINIESRT!!!!!!!!!!!!!!!!!!!!!!!!
#OFPROTONS
20
9
#OFNUTRONS
20
D
ATOMIC#
A
E
MASS#
B
19
ELEMENTSYMBOL
C
F
Using the periodic table, complete the table to describe each atom. Type in your answers.
A=
B=
C=
D=
E=
F=
A=20
B=40
C=Ca
D=10
E=9
F=F
Further explanationThe Atomic Number (Z) indicates the number of protons in an atom of an element. If the atom is neutral then the number of protons will be equal to the number of electrons. So the atomic number can also indicate the number of electrons.
So atomic number = number of protons = number of electrons
Mass Number (A) is the sum of protons and neutrons
Mass Number (A) = Number of protons + Number of Neutrons
So that the relationship between atomic numbers and mass numbers can be formulated as follows:
Atomic Number (Z) = Mass Number (A) - Number of Neutrons
A=atomic number=number of protons=20
B=mass number=protons+neutrons=20+20=40
C=the element with atomic number 20 and mass number 40 is Ca,
[tex]\tt _{20}^{40}Ca[/tex]
D=number of neutrons=mass number-number of protons =19-9=10
E=atomic number=number of protons=9
F=the element with atomic number 9 and mass number 19 is F
[tex]\tt _9^{19}F[/tex]
Explain how the components of cell theory relate
to these experiments.
NEED FAST
Answer:
All organisms are made of cells. Cells are the smallest unit of life. ...
Cells are the most fundamental unit of life. Organisms can be single cells, which hold all of the components necessary for a metabolism, or they can be more complex. ...
Cells come from other cells.
Which statement describes an exothermic reaction?
A. Energy is absorbed by the reaction.
B. Energy is released by the reaction.
C. No energy is transferred by the reaction.
D. Energy is created in the reaction.
Answer:
Energy is released by the reaction
Explanation:
The statement which describes an exothermic reaction is that energy is released by the reaction.
What is an exothermic reaction?An exothermic reaction is defined as a chemical reaction which involves release of energy in the form of light,heat .In these reactions, energy is transferred from system to surroundings rather than taking energy from surroundings into system as in endothermic reactions.
In an exothermic reaction,change in enthalpy is negative.Therefore, it can be inferred that net amount of energy which is required to start the exothermic reaction is less than the net amount which is released by the reaction.
Examples of exothermic reactions are combustion reactions, detonation of nitroglycerin , neutralization reactions and nuclear fission.
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If a neutral charged object is placed near a negatively charged object, what will it do?
Answer:When you bring a negatively charged object close to a neutral pith ball, it creates a positive charge (i.e. opposite of negative) on the portion of pith ball nearer the negatively charged object and negative charge on the farthest portion of pith ball.
Explanation:
Answer:
Explanation:
When you bring a negatively charged object close to a neutral pith ball, it creates a positive charge (i.e. opposite of negative) on the portion of pith ball nearer the negatively charged object and negative charge on the farthest portion of pith ball.
How many moles are represented by 3.75 × 10^21 atoms of iron?
HELP ME PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
The answer is 0.006 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{3.75 \times {10}^{21} }{6.02 \times {10}^{23} } \\ = 0.00622923...[/tex]
We have the final answer as
0.006 molesHope this helps you
Answer:
6.02 * 10^23
Explanation:
In which state of matter do the particles have the greatest amount of energy
Answer:
The answer is gas
Explanation:
Because the parcticles move around the most when in gas form
Can I be brainliest plz
Net force= Direction= Right Balance or unbalance?=
Answer:Direction? tell me if im wrong!
Explanation:
18 karat rose gold is made up of 75% gold, 21% copper, and 4% silver.
This mixture is a ______
alloy
suspension
compound
element
HELP ME PLEASEEEEEEE!?!?!?!!
Answer:
amps is how hard it is for the volts to get through hope this helped
Explanation:
Why does a ballon with helium gas rise higher than a ballon with air
Answer: helium is a lighter (less dense) gas allowing the balloon to rise high
I hope this helped!
Answer:
helium is less dence then air
Hoped this helps! have a great day lovee
how to balance O2 please help
Answer:
How to balance the oxygen atoms.
Add a coefficient of 5 to the oxygen molecule on the left side of the equation. You now have 10 oxygen atoms on each side.
C3H8 + 5O2 --> 4H2O + 3CO2.
The carbon, hydrogen, and oxygen atoms are balanced. Your equation is complete.
what 2 statements that are true about all elements
All elements exist in the solid phase
All elements have 6 electrons
All elements are metals
All elements are pure substances
All elements exist only in the liquid phase
Each element is made up of the same type of atoms
Each element is made up of different types of atoms
Answer:
All elements are pure substances, Each element is made up of the same type of atom.
Why does an ionic bond have a high melting point?
A. Very little energy is required to overcome the repulsive forces that hold the ionic crystal together.
B. A lot of energy is required to overcome the attractive forces that hold the ionic crystal together.
C. A lot of energy is required to overcome the repulsive forces that hold the ionic crystal together.
D. Very little energy is required to overcome the attractive forces that hold the ionic crystal together.
Answer:
B
Explanation:
i just take the test
An ionic bond has a high melting point because a lot of energy is required to overcome the attractive forces that hold the ionic crystal together. The correct option is B.
In an ionic bond, atoms transfer electrons to form positively charged cations and negatively charged anions. These oppositely charged ions are attracted to each other, creating strong electrostatic forces between them.
When a solid ionic compound is heated, the thermal energy increases, causing the ions to vibrate more vigorously. As the temperature continues to rise, the ions gain enough energy to break free from their fixed positions within the crystal lattice. This requires a lot of energy because the attractive forces between the ions are strong and must be overcome.
Thus, the correct option is B.
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