Which of the following atoms would have a charge of +1?
An atom with 9 protons, 9 electrons, and 9 neutrons
An atom with 7 protons, 11 electrons, and 8 neutrons
An atom with 5 protons, 5 electrons, and 4 neutrons.
An atom with 6 protons, 5 electrons, and 7 neutrons

Answers

Answer 1

Answer: An atom with 6 protons, 5 electrons, and 7 neutrons

Explanation: In this case, neutrons do not matter as they have a charge of 0, or no charge. A proton has a charge of +1 and an electron has a charge of -1. Since there are 6 protons, the total charge of the protons would be +6. Since there are 5 electrons the total charge of the electrons would be -5. +6 - 5 would result in a charge of +1. This means that this atom would have an overall charge of + 1. Basically, if there is one more proton than electron, then the overall charge of the atom will be +1 but if there is one more electron than proton, then the overall charge of the atom will be -1.


Related Questions

For species that reproduce asexually, all their offspring are
A. genetically identical
B. genetically different
C. almost identical
D. slightly different​

Answers

Answer:

A. genetically identical

Explanation:

Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent. A single individual can produce offspring asexually and large numbers of offspring can be produced quickly

All the offspring that are produced in the process are genetically identical.

When we talk about this mode of reproduction, we talk about a mode of reproduction in which an organism reproduces without the fusion of gametes. This occurs essentially by cell division.

When this occur, there is no crossing of genetic material as such, all the offspring that are produced in the process are genetically identical.

Learn more about reproduction:https://brainly.com/question/1301963

Which of the following interactions would be the weakest?

Picture provided, 10 points. Please only answer correctly.

Answers

Answer:

D.) Li+ and C4H10

i hope it helped.

Can anyone explain and answer?
Which physical change are both exothermic
A)condensation and evaporation
B)evaporation and melting
C)freezing and condensation
D)melting and freezing

Answers

Answer:

I would say C.)

Explanation:

Freezing and condensation are both ways that heat is let out from an object.


Calculate the mass of 4 moles of CuCl2.

Answers

So the molar mass of CuCl2 is 134.45
You would add the mm of Cu and of 2 chlorine’s to get (bc Cl2).

The molar mass means that per one mile that is how much mass so :
134.45 x 4 = 537.8
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Some items, such as rubber, float on the water, while some items, such as gold, sink in
the water. If an item floats is it more or less dense than the water?

Answers

Answer:

If an item is less dense, it floats on the water.

Explanation:

We know this since the more dense something it usually is heavier than if it was less dense. Which ways it down resulting to it sinking.

Help me with this pls

Answers

1. the time
2. eye color
3.hight
4. the weather
5. the day of the week

That’s all I could really think of. Hope it helps!

Which statements describe the fossil record? Check all that apply.

There is very little fossil evidence for the first 4 billion years of Earth.
There is very little fossil evidence for the last 600 million years of Earth.
Most of the fossil evidence is from the first 4 billion years of Earth.
Most of the fossil evidence is from the last 600 million years of Earth.
The fossil record is complete.
The fossil record is not complete.

Answers

Fossils are the preserved remains of organisms that have died and decayed. They are very useful in understanding the evolutionary history of organisms and to study ancient life forms.
Geologists use fossils to date sedimentary records by placing them in the order of their specific appearance.

Answer:

A D F

Explanation:

look at attachment if you don't believe me

PLEASE HURRY
Which of the following is a subsurface event that takes place during the rock cycle?

Deposition

Erosion

Weathering

Plate tectonics

Answers

Answer:

Option D, Plate Tectonics

In the rock cycle, surface events takes place at the surface of earth. Thus,

weathering and erosion are surface events, while the subsurface events he take place in the deeper section of the earth . Examples of sub surface events are plate tectonics and mountain building or anything that takes place in the inner core of earth.

Explanation:

Answer:

Option D, Plate Tectonics

In the rock cycle, surface events takes place at the surface of earth. Thus,

weathering and erosion are surface events, while the subsurface events he take place in the deeper section of the earth . Examples of sub surface events are plate tectonics and mountain building or anything that takes place in the inner core of earth.

Explanation:

Option D, Plate Tectonics

In the rock cycle, surface events takes place at the surface of earth. Thus,

weathering and erosion are surface events, while the subsurface events he take place in the deeper section of the earth . Examples of sub surface events are plate tectonics and mountain building or anything that takes place in the inner core of earth.

A 2.5 L container holds a sample of hydrogen gas at 291 K and 180 kPa.

If the pressure increases to 350 kPa and the volume remains constant, what will the new temperature be?

Round your answer to one decimal place.

Answers

Answer:

The new temperature will be 565.83 K.

Explanation:

Gay Lussac's law establishes the relationship between the temperature and the pressure of a gas when the volume is constant. This law says that the pressure of the gas is directly proportional to its temperature. This means that if the temperature increases, the pressure will increase; or if the temperature decreases, the pressure will decrease.

In other words, Gay-Lussac's law states that when a gas undergoes a constant volume transformation, the ratio of the pressure exerted by the gas temperature remains constant:

[tex]\frac{P}{T} =k[/tex]

When an ideal gas goes from a state 1 to a state 2, it is true:

[tex]\frac{P1}{T1} =\frac{P2}{T2}[/tex]

In this case:

P1= 180 kPaT1= 291 KP2= 350 kPaT2= ?

Replacing:

[tex]\frac{180 kPa}{291 K} =\frac{350 kPa}{T2}[/tex]

Solving:

[tex]T2=350 kPa*\frac{291 K}{180 kPa}[/tex]

T2= 565.83 K

The new temperature will be 565.83 K.

A metal can form
A.
a stable nucleus
B.
an anion
C.
a new family
D.
a cation

Answers

i think it might be C

What are the three eras in the geologic time scale? *

Answers

the Paleozoic
the Mesozoic
the Cenozoic

Visible light is a part of what spectrum

Answers

Answer:

Visible Spectrum/Electromagnetic spectrum

Explanation:

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye.

What is the name of the ionic compound with the formula:
AlF3

Answers

Answer:

potassium chloride.

A 13.9 - g piece of metal ( specific heat capacity is 0.449 /g^ C)who whose temperature is 54.2 degrees * C was added to a sample of water at 13.4 degrees * C in a constant - pressure calorimeter of negligible heat capacity . If the final temperature of the water is 15.6 °C, calculate the mass of the water in the calorimeter .​

Answers

Answer:

26.2g = Mass of water in the calorimeter

Explanation:

The heat absorbed for the water is equal to the heat released for the metal. Based on the equation:

Q = m*C*ΔT

Where Q is heat, m is the mass of the sample, C is specific heat of the material and ΔT is change in temperature

Replacing we can write:

[tex]m_{metal}*C_{metal}*dT_{metal}=m_{water}*C_{water}*dT_{water}[/tex]

13.9g * 0.449J/g°C * (54.2°C-15.6°C) = m(H₂O) * 4.184J/g°C * (15.6°C-13.4°C)

240.9J = m(H₂O) * 9.2J/g

26.2g = Mass of water in the calorimeter

Guys pleasee helpp 20 points

Answers

Answer is B I’m certain

What is the charge of an electron?

Answers

There is the answer hope this helps

Was Dalton's Atomic Theory correct or incorrect and why?

Answers

Answer:

The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions. ... According to Dalton, atoms of different elements combine in simple whole number ratios to form compounds.

Osmium metal, the densest element, has a density of 22.6 g/mL, while hydrogen, the least dense element, has a density of 8.99 e-5 g/mL. Calculate the volume occupied by 1.00 g of each element. How many times more dense is osmium than hydrogen?

Answers

Answer:

1. Volume of osmium = 0.044 mL

2. Volume of Hydrogen = 11123.47 mL

3. Osmium is 251390 times denser than hydrogen

Explanation:

From the question given above, the following data were obtained:

Density of osmium = 22.6 g/mL

Density of Hydrogen = 8.99×10¯⁵ g/mL

Mass of osmium = 1 g

Mass of Hydrogen = 1 g

1. Determination of the Volume of osmium.

Density of osmium = 22.6 g/mL

Mass of osmium = 1 g

Volume of osmium =?

Density = mass /volume

22.6 = 1 / volume

Cross multiply

22.6 × volume = 1

Divide both side by 22.6

Volume = 1 / 22.6

Volume of osmium = 0.044 mL

2. Determination of the Volume of Hydrogen.

Density of osmium = 8.99×10¯⁵ g/mL

Mass of osmium = 1 g

Volume of osmium =?

Density = mass /volume

8.99×10¯⁵ = 1 / volume

Cross multiply

8.99×10¯⁵ × volume = 1

Divide both side by 8.99×10¯⁵

Volume = 1 / 8.99×10¯⁵

Volume of Hydrogen = 11123.47 mL

3. Determination of the number of times osmium is denser than hydrogen.

Density of osmium (Dₒ) = 22.6 g/mL

Density of Hydrogen (Dₕ) = 8.99×10¯⁵ g/mL

Dₒ / Dₕ = 22.6 / 8.99×10¯⁵

Dₒ / Dₕ = 251390

Cross multiply

Dₒ = 251390 × Dₕ

Thus, osmium is 251390 times denser than hydrogen.

What is the charge for the cation in MnS2

Answers

The answer is +4 for the cation Mn

8. What is the molar mass of carbon dioxide, Co2(g)? How many grams of carbon
dioxide would there be for 3 moles? Explain.

Answers

Answer:

CO2 molar mass=44.01g

3 moles CO2 = 132.03g

Explanation:

CO2 molar mass = 12.01+2(16.00)=44.01g

3 moles CO2 * (44.01 g CO2)/(1 mol CO2)=132.03g

(Answer would be different depending on the number of decimals)

What is the chemical formula for sodium sulfate

Answers

Answer:

Na2So4

Explanation:

Na is group 1, so has a charge of 1+

Sulphate’s formula is SO4 2-,

because sulphate has double the charge of Na, you need two Na’s to make it equal.

Therefore it’s Na2SO4

what do igneous rocks become when they break down and settle into layers?

Answers

Answer:

Sedimentary rocks

Explanation:

Igneous rocks will become sedimentary rocks when they break down and settle into layers .

Igneous rocks are rocks that are formed by the cooling and solidification of magma within or on the earth crust.

When agents of weathering and denudation forces acts on a rock body, they break them down producing sediments in the process.

Sediments are transported into depositional basins where they are laid down and cemented together. This in turn forms sedimentary rocks. The break down and settling of sediments leads to the formation of sedimentary rocks.

Calculate the volume, at STP, of a 0.950 g sample of Carbon Monoxide gas, CO.

Answers

Answer:

0.76L is the pressure of CO at STP

Explanation:

To solve this question we must use combined gas law:

PV = nRT

Where P is the pressure of the gas (1atm at STP)

V is volume (Our incognite)

n are moles of the gas (0.950g * (1mol/28g) = 0.034 moles

R is gas constant (0.082atmL/molK)

T is absolute temperature (273.15K at STP)

V = nRT/P

V = 0.034mol*0.082atmL/molK*273.15K / 1atm

V = 0.76L is the pressure of CO at STP

un ejemplo de cambio físico ocurre cuando: a) horneamos pan dulce. b) endulzamos el agua de limón. c) freímos los huevos. d) tostados los granos de café.​

Answers

Answer:

...

Explanation:

Iron sulfide is a compound. It is made by heating a mixture of iron and sulfur.
Describe and explain the differences between iron sulfide and a mixture of iron and sulfur.

Answers

Answer:

Here are some of the differences between a mixture of iron and sulfur, and iron sulfide: the mixture can contain more or less iron, but iron sulfide always contains equal amounts of iron and sulfur. the iron and sulfur atoms are not joined together in the mixture, but they are joined together in iron sulfide.

Explanation:

when an ecosystem changes the results are (positive negative both or none) explain
This is science!

Answers

Answer:

C. Both

Explanation:

When an Ecosystem changes the effects can be both positive and negative. It all really just depends on what the change is.

if you had a block square that weighed 5.00 grams what would be the length of each side

Answers

Answer:

[tex]l = 0.793[/tex] cm

Explanation:

Let us assume the density of block square [tex]10[/tex] g/cm³

As we know

Volume = [tex]\frac{Mass}{Density}[/tex]

Thus Volume of this block is equal to [tex]\frac{5}{10} = 0.5[/tex]

As we know volume of square block of side of length "l" is equal to [tex]l^3[/tex]

[tex]l^3 = 0.5[/tex]

[tex]l = 0.793[/tex] cm

Calculate the pH of the following?
a) 0.12 M NaNO2
b) 0.10 M CH3NH3Cl
c) .45 M NaOCl?

Answers

the correct answer is c

Which of the following elements is used by your body? A) aluminum B) helium C) calcium D) all of the above

Answers

C is the correct answer ( calcium)

Mendeleev's proposal of periodic table was based on:

Answers

The proposal of the periodic table was based upon properties that appeared with some regularity by laying out the elements from lightest to heaviest.

[hope this is helpful!:))]

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