The statement, that describes the overall charge of the nucleus is "+3."
What is nucleus?The atom is made up of a small nucleus surrounded by electrons that move. The nucleus is a positively charged area in the centre of the atom that is made up of closely packed protons and neutrons.
The nucleus includes protons, which have a positive charge equal to the negative charge of an electron. Neutrons, which have nearly the same mass but no charge as protons, may also be found in the nucleus.
The nucleus is made up of three neutrons and three protons. Neutrons have no charge. The charge on the nucleus results from the charge on its protons. As a result, the total charge of the nucleus is +3.
Hence the correct answer is C.
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Lemme just- ;-; E
Uh- CoRoNaViRuS
the answer is solid line
did you know you have to answer 1000 questions to be able to message someone?
Answer: i didnt know that
Explanation:
Answer: Yes this is in fact true
Explanation:
HELPPP ME ASPAP I'LL GIVE YOU BRAINLIST (NO NONSENSE PLS)
1. Nobelium has an atomic number of 102 and an atomic mass of 259. Explain how to calculate how many neutrons are in the most common form of Nobelium. Include a mathematical expression to help explain your answer (example: 1+1 = 2)
2. The atomic mass of Mercury is 200.592. The atomic number for Mercury is 80. As protons and neutrons are only available as a whole, how do scientists determine an atomic mass reported as a decimal number? Explain your answer using Mercury as an example.
Answer:
1) 157 Neutrons, 2) the decimal is simply is due to isotopes, because the elements atomic mass is an average of these isotopes multiplied by its abundance(or percentage on earth.) For Mercury, it has many isotopes(an element with a different mass number, logically the atomic mass listed on the periodic table as a mass has 100% abundance, therefore this is used to find the most abundant mass for that particular element/molar mass) likewise, Mercury has an atomic mass of 200.59 u, as one mol of Hg(mercury) is 200.59 grams.
Explanation:
The formula for Neutrons in an atom of an element is calculated by finding the
What is a change in matter that results in a change in its identity and properties? *
Answer:
Chemical change
Explanation:
An element has a mass of 39.2 and an atomic number of 19. How many protons does this element have? How many neutrons? How many electrons?
Answer:
19 protons, 19 electrons, and 3 neutrons
Explanation:
the atomic number is 19 so the protons are the same, 19, and the electrons are the same as the proton, because protons are positive and electrons are negative so they have to balance out and the neutrons ➗ mass number by the atomic number.
Is a comet between Mars and Jupiter?
What is a comet?
What is a asteroid? Not an asteroid belt
:D...........
.............
Answer:
Yes, there are comets between Mars and Jupiter.
Comets are cosmic snowballs of frozen gases, rock and dust that orbit the Sun.
Asteroids are small, rocky objects that orbit the Sun.
Choose all the answers that apply.
Which of the following is true about the carbon-oxygen cycle?
The atmosphere stores more carbon dioxide than the ocean.
Plants use oxygen to make food during photosynthesis.
Carbon dioxide is added to the atmosphere by burning fossil fuels.
Carbon dioxide is a waste produce of respiration.
Answer:
B. is the answer. :)
Explanation:
have a good day <3
The carbon cycle is the rotation of the carbon and its compound in the atmosphere. carbon is added to the atmosphere by burning fossils and is a waste product of respiration. Thus, options C and D are correct.
What is a carbon cycle?A carbon cycle is a biogeochemical cycle that involves the reuse of the carbon from various sources that involve the atmosphere and organisms. The cycle repeats itself again and again.
When fossil fuel is burnt carbon dioxide along with some gases are released into the atmosphere. Also, carbon dioxide is a waste product of cellular respiration. Most of the carbon is present in rocks, oceans, and the atmosphere.
Therefore, the burning of fossils releases carbon.
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Identify the feature of the ocean floor covered by the green box.
A. Coral Reef
B. Abyssal Plain
C. Beach
D. Mid-Ocean Ridge
Can someone please help me with this question? Thanks in advance.
Answer:
1. Fe + H2SO4 = FeSO4 + H2
iron + sulfuric acid = duretter + hydrogen
2. Mg + 2 HNO3 = Mg(NO3)2 + H2
Magnesium + nitric acid = magnesium nitrate +hydrogen
3. Zn + 2 HCl = ZnCl2 + H2
Zinc + hydrogen chloride= zinc chloride+ hydrogen
This photo shows a kind of reproduction. Which of the following describes this type of reproduction?
A. Two parents are required to produce this offspring.
B. Each offspring has a different combination of genes.
C. The offspring have identical genes.
D. Parents make reproductive cells with only half of their genes.
A. Two parents are required to produce this offspring.
Explain why plants need sunlight?
A.) Plants need sunlight to create food such as sugars and starches.
B.) Sunlight is used to allow plants perform photosynthesis at night.
C.) Sunlight is used to help release waste produce such as oxygen in plants.
D.) Plants need sunlight to help capture carbon dioxide to create sugars and starches.
Answer:
D
Explanation:
They make their own food by combining a gas called carbon dioxide, which they get from the air, with water from the soil. ... To power the process, the plant uses the energy of sunlight. A green pigment in the leaves called chlorophyll traps the Sun's energy
What do cells need to get energy from food?
A. Carbon dioxide
B. Oxygen
C. ammonia
D. Vitamin C
Answer:
I believe the answer is B oxygen
Explanation:
would be awesome if you could give me brainliest!
Factor the following expression using the GCF: 2dr – 4r.
r(2d – 4)
2r(d – 2)
2(dr – 2r)
2r(d – 1)\
This is a chemical reaction for the decomposition of carbonic acid into water and carbon dioxide.
H2CO3→H2O + CO2
How does the reaction support the Law of Conversation Mass?
a). The mass of carbon atoms is reduced during the reaction
b). The mass of the atoms in the reactant equals the mass of the atoms in the products
c). The mass of hydrogen atoms is the only thing that remains the same before and after the reaction
Answer:
H2CO3 → CO2 + H2O decomposition in the presence of H2O, HCOOH, CH3COOH, H2SO4 and HO2 radical: instability of the gas-phase H2CO3 molecule in the troposphere and lower stratosphere†
Explanation:have fun
The correct statement given the data is:
The mass of the atoms in the reactant equals the mass of the atoms in the products (Option B)
What is a chemical equation ?Chemical equations are representations of chemical reactions using symbols and formula of the reactants and products.
The reactants are located on the left side while the products are located on the right side.
Reactants —> Products
The balancing of chemical equations follows the law of conservation of matter which states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.
Considering the equation given from the question
H₂CO₃ —> H₂O + CO₂
Reactant
H = 2 atomsC = 1 atomO = 3 atomsProduct
H = 2 atomsC = 1 atomO = 3 atomsFrom the description of the reactant and product, w can see that the atoms in both reactant and product are the same. Hence the equation support the law of conservation of mass
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Which scientist's atomic model is most recent?
A. Dalton's
B. Rutherford's
O c. Thomson's
D. Bohr's
Answer:
D. Bohr's
Explanation:
I just did the test, and got it right! Hope this helps.
It was Niels Bohr who discovered the modern atomic model. This model revealed the revolution of electrons and determination of energy levels and momentum of electrons. Hence, option D is correct.
What was atomic model?Various atomic models discussed about the structure and electronic properties of atom. It was Dalton who found that atom is indivisible and combination of atoms make a compound.
Later J.J . Thomson discovered electrons the subatomic particles. But this model does not found the orbitals for electrons and energy levels. Rutherford proposed then the nuclear model of atom.
Nuclear model of atom described that the nucleus contains the positively charged particles protons and the negatively charged particles electrons are revolving around the nucleus.
Later Bohr explained the revolution of electrons around the nucleus with the aid of quantum mechanics and he found that the electrons revolves through a circular paths of fixed energy. By this model momentum and energy of electrons can be calculated.
Hence, Bohr's model is most recent.
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Cells use energy to carry out various cell processes. Which of the following molecules store energy for the cell to use?
Group of answer choices
Water
ATP
DNA
Chloroplast
Answer:
ATP
Explonation: It is caused by the sugar molecules that are broken-down
When a pupil shrinks less light enters the eye. Which stimulus is most likely to cause the eye's pupil to shrink?
A. A loud sound
B. A dark room
C. A cold wind
D. A bright light
Answer:
D. A bright light
Please answer all of the questions , also please dont answer if your not going to seriously answer my questions.
Answer:
oh that's really hard
Explanation:
but I'll try my best
Help me with my waves homework. I need to measure the 3 waves and answer the 2 questions.
Answer:
they are 2 3 i think
Explanation:
Which best protects animal species that are endangered due to overhunting?
laws
increased biodiversity
poaching
captive breeding
Answer:
i believe the correct answer is d.) the correct answer is captive breeding but if its not im sorry
Answer:
captive breeding
Explanation:
Nancy dumps a mixture of salt, iron filings, and wood shavings into a beaker of water and stirs for 60 seconds. Predict the appearance after she stops stirring and allows the mixture to settle.
Answer:
When the mixture settles, there will be no visible salt, but she will see the iron shavings at the bottom of the beaker and the woodchips floating.
Explanation:
The salt will dissolve, the iron shavings will sink and the wood chips will float because they're less dense.
The photo shows an animal called a water flea. Which level of organization is it an example of?
A. Organism
B. Organ system
C. Cell
D. Tissue
Answer:
A. organism i think
Answer:
the answer it's A Organism
:
I did the test
Help please omg ;-; REEEEEEEE
PLEASE ANSWER THIS I AM DOING SCIENCE AND IT SUCKS
WHICH ONE IS A SCIENTIFIC PROBLEM
The fingerlings grown in 5% saline solution will grow
faster than the fingerlings grown in 10% saline solution.
What is the growth rate of the fingerlings in 5% saline
and 10% saline solutions?
plzz write a small pharghraph
Question:
A 250mL Erlenmeyer flask weighing 55g contains 5g of sodium bicarbonate. To this, an excess, 15g, of acetic acid is added to the flask. While swirling, many bubbles are present. Finally, you stop swirling the flask, and the bubbles stop. You then place this flask on an analytical balance. The mass registers 73g.
How does this final mass compare with the value expected according to the Law of Conservation of mass?
Why do you believe that this comparison exists?
State the Law of Conservation of Mass. Do these results break this law? Why?
What changes, if any, could be made to the procedures in this experiment to allow a closer comparison to what the Law of Conservation would expect?
20 points and very easy-
Match the following with the letters and numbers below:
1. Energy of an objects position above the ground
2. Stored in the bonds of atoms and molecules
3. Stores in the nucleus of an atom
4. Energy of vibrating molecules
5. Movement of objects used to do work
6. Created by vibrations in electric and magnetic fields
A. Heat
B. Mechanical energy
C. Nuclear energy
D. Chemical energy
E. Light
F. Gravitational energy
Thank you in advance!! Please hurry!
The imagine below shows an atom arrangement.
Why is it considered a mixture?
a) it’s composed of 1 kind of atom
b) it’s a physical combination of two or more different substances
c) it’s composed of 2 or more types of elements that are chemically combined.
NASCAR fans love race day when they get a chance to cheer their favorite team! If a driver was able to travel 600 miles in 3 hours, what is her average speed? Be sure to use the correct formula (s=d/t)
Question 8 options:
A)
1800 mph
B)
200 mph
C)
300 mph
200 mi/hr
Step-by-step explanation:
s= d/t 600 miles/3 hrs = 200 miles/hr
BTW I Love NASCAR
Helium is a "special" element in Group 18 because it does not have 8 valence electrons. Why doesn't helium have 8 valence electrons like all the other elements in group 18?
C IS THE ANSWER BECAUSE HELIUM HAS JUST 2 ATOMS
Helium is an element which belongs to a family called noble gas.
Among the noble gas element, helium is the only member with two (2) electrons.
Helium is a s-block element. S-block can only accommodate a maximum of 2 electrons. The two (2) electrons that helium has complete its outermost shell as seen from its electronic configuration below:
He (2) => 1s²Since the outermost shell of helium is completely filled, it is thus included in the noble gas family (i.e group 18).
Other members of the this group include: Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn)
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Please hurry this assignment has to be turned in by 11:59
1. Terms in Science are Greek or Latin words
2. Terms in Science are derived from Greek or Latin words
Why?
Answer:
Terms in science are derived from greek and latin words because precise meaning and precise use of words is crucial in all forms of scientific communication, it helps to be able to make new medical terms from Latin and Greek roots whose meanings do not alter over time
Explanation:
