Explanation:
microfilaments are composed of repeating actin subunits in a thin double-helix arrangement.
are protons attracted to neutrons or electrons or both?
Answer:
protons and electrons attract each other.
Explanation:
neutron as no charge, proton and electron are exactly the same size but opposite. ( the opposite charge attract)
The protons possess a positive charge so they attract negatively charged electrons.
What is a proton?A proton can be described as a stable subatomic particle, a symbol with a positive charge of +1e elementary charge. Proton's mass is slightly less than that of a neutron but 1836 times the mass of an electron.
Protons and neutrons are jointly referred to as "nucleons" each with masses of approximately one atomic mass unit. More than one proton can be present in the nucleus of an atom. They give the attractive electrostatic central force which holds the atomic electrons.
The number of protons in the nucleus is referred to as the atomic number and is represented by the symbol Z. Since each element in the modern periodic table has a unique number of protons, its own unique atomic number, determines the chemical characteristics of the element.
As the neutrons are neutral do not carry any charge so the protons do not attract neutrons.
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What is the formula for the ionic compound formed when potassium bonds with oxygen?
Answer:
A metal oxide with formula K2O. Potassium oxide (K2O) is an ionic compound of potassium and oxygen. It is a base. This pale yellow solid is the simplest oxide of potassium.
Which statement best describes the charges of the particles involved?
(1 point)
O A neutral particle is striking a positive particle, breaking it into more
O A negative particle is striking a positive particle, breaking it into mor
O A positive particle is striking a neutral particle, breaking it into more
O A neutral particle is striking a negative particle, breaking it into more
The statement that best describes the charges of the particles is : ( A ) A neutral particle is striking a positive particle, breaking it into more
Production of Negative and Positive particlesThe collision of Neutral and postitve particles leads to the production of more negative and positive particles. Due to the neutral force and this leads to the production of an electrical charges.
Hence a neutral particle striking a positive particle will lead to the production of more positive particle.
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Differentiate liquid crystals from pure liquids and crystalline solids.
(Answer this question correctly and I will give the first correct answer brainliest)
Answer:
the difference between pure liquids and crystallines solids is pure liquids have optically active molecules forming twisted shapes whereas solids do not
Explanation:
as the temperature of a gas sample at constant pressure increases, the volume of the gas will _____ and there will be _____ gas particles in the same space. the density of a gas at constant pressure therefore _____ as the temperature increases.
Answer:
Increase
Less/low number
Lessen
Explanation:
Increase > Increase in temperature cause increase in volume.
Less/low number > As volume increases the number of particles to be adjusted in the same space will be lesser than before.
Lessen> At constant pressure as increase in temperature cause increase in volume so the density will lessen due to increase in volume. Density equation is given below.
Density = mass /volume
If volume increases density will get lowered.
Someone pls help me I will make you brain
Answer:3
Explanation:
isotopess! help pleasee 20pts
Answer:
For lithium -6
Proton neutron and electron are
3, 3, 3
For lithium -7
It is 3, 4, 3
Explanation:
Proton is atomic number
Neutron is mass num - atomic num
Electron is the same number with proton
List 5 physical properties of matter. How many atoms of each type of element in C6H12O6?
Help pls What have you taken away from the work of Stephen Hawking?
When Stephen Hawking was diagnosed with ALS at age 21, he knew he had little time left. But he also knew he wanted to do so much more first. With these circumstances, he learned the importance of carpe diem .
How many significant figures in 100000 g?
Answer:
1
Explanation:
Any digit that is not 0 is always significant
raw or undercooked shellfish may be contaminated with what type(s) of bacteria
vibrio vulnificus
salmonella
vibrio vulnificus and vibrio parahaemolyticus
Answer:
vibrio vulnificus and vibrio
Explanation:
Answer:
vibrio vulnificus and vibrio parahaemolyticus
Who was the first to recognize that the observations and experimental results
regarding matter could be explained by the existence of atoms?
a. Grookes
b. Rutherford
c. Ballen
d. Chadwick
Which group on the Periodic Table has elements that would easily combine with elements from Group 1 (which have one valence electron) because they have 7 valence electrons?
Answer:The halogens in Group 17
Explanation: The halogens in Group 17 all have 7 valence electrons. They will steal anuy electrons they can to form a full outer shell.
3.7x10^45 molecules of hydrogen gas = how many grams of hydrogen gas
Since we weren't given the moles of hydrogen, we have to find it. However, we can do it all in one step if we set up the equation correctly.
Since Mass = moles × molar mass
& Moles = #molecules ÷ Avogadro's Number
∴ mass = (#molecules ÷ Avogadro's Number) × molar mass
= (3.7 × 10⁴⁵ mcules ÷ (6.022 × 10²³ mcules/mole)) × 1.008 g/mol)
= 6.19 × 10²¹ g
What’s the elements found in these formulas?
NaC2HO4
H2F5BLi
2He2PSO4
3He2O4PH
Answer:
The only one I know is NaC2HO4.
There is Sodium, Carbon, Hydrogen and Oxygen.
1 atom in sodium, 2 atoms in carbon, 1 atom in hydrogen and 4 atoms in oxygen completeting the total of 8 atoms in this element.
The elements are the simplest chemical forms and they cannot be broken down through chemical reactions. There are many elements in the given formulas.
What are elements?The elements are defined as those substances whose atoms all have the same number of protons. The elements are considered as the building blocks of matter. Each element has an atomic number and a symbol.
Each atom is regarded as an element. The elements create bonds to form molecules. The isotopes are the elements with the same atomic number but different mass numbers.
NaC₂HO₄ - 'N' , 'C', 'H','O'
H₂F₅BLi - 'H','F','B','Li'
He₂PSO₄ - 'He', 'P','S','O'
He₂O₄PH - 'He', 'O','P','H'
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How much energy does orange light have if its wavelength is 615 nm?
Use the ROYGBIV (red, orange, yellow, green, blue, indigo, violet)
Answer:
it would be 615
Explanation:
helppppppppppppppppp
Answer:
23: 6000560000000
24: 0.0015
25: 200
26: 0.0105
27: 600
28: 4023000
Explanation:
You have to move the decimal the same amount of times as the exponent says.
For example, like with the 6, you move it 2 decimals to the right (since it's positive), and the regular number would be 600.
If a piece of metal has a density of 9.865 g and a volume of 14 ml, what is its mass?
Answer:
I think the answer is 138.11 gram
Explanation:
How many kilojoules are equivalent to 10 Joules?
A) 0.001 kJ
B) 0.01 kJ
C) 1000 kJ
D) 10,000 kJ
Answer:
It should be B: 0.01 kJ
Answer:
Hey...The answer is B) 0.01 kJ
rutherford called the region that deflected alpha particles
Answer:
Rutherford concluded that these particles were striking... a tiny region of positive charge. Rutherford called the region that deflected alpha particles... a nucleus. The total volume of the nucleus of an atom is... very small compared with the rest of the atom. Except for in the simplist type fo hydrogen atom, all nuclei consist of...
Explanation:
Why can liquid metal be poured into a block-shaped mold?
Describe what happens to the shape and volume of the liquid
metal.
Answer:
yes
Explanation:
because
Wavelength whose frequency is 5.00 x10^15
The wavelength of the radiation whose frequency is 5 X 10^15s^-1 is 2.4 X 10^-6 inches, or 60 nanometers.
3. Measure: Find the mass, volume, and density of each of the three crowns.
Mass (g)
Volume (cm)
Density (g/cm)
based on the activity series, which metal dissolves in hydrochloric acid to produce hydrogen gas, but does not react with steam or liquid water?
Answer: Iron
Explanation: does not react with water, but hydrochloric acid will dissolve them, displacing the hydrogen from the HCl. Iron reacts with hydrogen chloride to produce iron chloride, FeCl2 — sometimes known as ferrous chloride.
To solve such this we must know the concept of chemical reaction. Iron is the metal, which dissolves in hydrochloric acid to produce hydrogen gas, but does not react with steam.
What is chemical reaction?Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.
When metals react with acid the liberation of hydrogen gas take place. Metal which is at top of reactivity series react with both acid and steam or liquid water. Iron is the only metals which dissolves in hydrochloric acid to produce hydrogen gas, but does not react with steam or liquid water.
Therefore, iron is the metal, which dissolves in hydrochloric acid to produce hydrogen gas, but does not react with steam.
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Which diagram or diagrams represent a compound?
Answer:
A - X Only
Explanation:
H is a chemical
and H2 is a chemical
.
Answer:
H is monoatomic
while H2 is di-atomic
Explain how copper conducts electricity?
Answer:
Copper is a metal made up of copper atoms closely packed together. As a result, the electrons can move freely through the metal. For this reason, they are known as free electrons. They are also known as conduction electrons because they help copper be a good conductor of heat and electricity.
Explanation:
Someone pls help me I will make you brain
Answer:
the 3rd option is the answer
How many moles in 5.75 x 1024 atoms of copper (Cu)? (9.55 mol)
Answer:
9.55 moles
Explanation:
How many moles are equivalent to 5.75x1024 atoms of Al? 9.55 moles contain 5.75 x 1024 atoms of Al