_____is the chemical bond formed when two atoms share electrons.

Answers

Answer 1

Answer:

covalent bond

Explanation:

Answer 2

Answer:

The covalent bond is the chemical bond formed when two atoms share electrons.


Related Questions

The function of the mitochondria is to obtain and convert energy. What body system has a similar function?

Answers

Answer:

The function of the mitochondria is to obtain and convert energy. What body system has a similar function?

Explanation:

Chloroplasts are very similar to mitochondria, but are found only in the cells of plants and some algae. Like mitochondria, chloroplasts produce food for their cells. Chloroplasts help turn sunlight into food that can be used by the cell, a process known as photosynthesis

How did humans create cow breeds that survive well in cold weather?
Select one:
O
They identified cows that did well in cold weather and mated them.
O
They mated cows with sheep that had very thick wool.
O
They mated cows with caribou that tolerated the cold well.
O
They identified cows that did well in hot weather and mated them

Answers

Answer: They identified cows that did well in cold weather and mated them. This is known as selective breeding. All the other answers either cannot work as cross-species breeds generally don't work, or they target cows that survive well in hot weather.

For complete combustion of an organic compound needs 8 molecules of oxygen, what could the formula of this compound be?

Answers

Answer:

C5H12.

Explanation:

The compound will be C5H12.

Now consider the general formula for the combustion of an alkane;

CnH2n+2 + 3n+1/2O2-----> nCO2 + (n+1) H2O

If we substitute n=5, we have;

C5H12 + 8O2-----> 5CO2 + 6H2O

Hence the answer above.

what happens when exhaled air passes through clear lime water?​

Answers

Huh what type of question is that?!

define a warm front in your own words

Answers

Answer:

type of front formed when a warm air mass pushes a cold air mass, forcing the warm air to slide over the cold air.

Worth 50 points. Please answer correctly

Answers

Answer:

question 2 is false

Explanation:

6 is D

Which of the following would increase the intensity of the tornado?

a. decrease in wind speed
b. decrease in condensation
c. increased rate of evaporation
d. increase of cold air

Answers

I think the answer would be C. Not totally sure, but hope this helps.

what is the formula for this bond?​

Answers

You have to show the bond

What physical property can be used to distinguish between a 1 cm cube of copper
and a 1 cm cube of sugar?
Select one:
a size
b. lustre
C. cost
d state​

Answers

D can be used for your answer

State​ physical property can be used to distinguish between a 1 cm cube of copper and a 1 cm cube of sugar. Hence, option D is correct.

What is physical property?

A property (such as colour, hardness, boiling point) of the matter is not involved in its manifestation of a chemical change.

Physical properties are those general properties you notice most readily about a substance, such as its size, state of matter (solid, liquid, or gas), colour, mass, density and strength.

Values for physical properties can be determined by tests that don't alter the substance being tested.

Hence, state​ physical property can be used to distinguish between a 1 cm cube of copper and a 1 cm cube of sugar.

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Please I need help I really don’t get this lol

Answers

Answer:

The pointer pointing to the grey and white balls are either proton or nuetron i van't really tell cause their grey and white.

The whole clster of balls is the Nucleus

The black balls on the lines are electrons

And the lines are the energy level

Explanation:

. How do metals and non-metals
Which two properties of metal enable us to use metal as electric wire

Answers

Answer:

it's ductility and it's conductivity

Explanation:

Elements in group 17 want to lose seven valence electrons and elements in group 1 want to gain seven valence electrons to become stable ions.

Answers

Because the halogen elements have seven valence electrons, they only require one additional electron to form a full octet. This characteristic makes them more reactive than other non-metal groups. hope it helped

How many atoms are in HCOOH₂?

Answers

Answer:

11 atoms I think

Explanation:

Answer: 3

Explanation:

I took the test!!

Someone help with this ions and isotopes worksheet?

Answers

Isotopes are atoms of the same element that have different numbers of neutrons. Protons are positively-charged particles found in the nucleus of an atom.

Electrons are negatively-charged particles found in the outer shell of an atom. The charge on an element is determined by the number of protons and electrons present in the atom.

a.) Li+:  number of protons = 3

Number of electrons = 2

charge of Li+ = +1

b.) Be2+: number of protons = 4

Number of electrons = 2

charge of Be2+ = 2+

c.) C4+: number of protons = 8

Number of electrons = 4

charge of C4+ = 4+

d.) O2-: number of protons = 8

Number of electrons = 10

charge of O2- = -2

e.) N3-: number of protons = 7

Number of electrons = 10

charge of N3- = -3

f.) C4- : number of protons = 4

Number of electrons = 4

charge of C4- = -4

g.) 14C6: The mass number = 14

Atomic number = 6

Number of neutrons = 8

h.) 18O8:  The mass number = 18

Atomic number = 8

Number of neutrons = 10

i.) 19F9:  The mass number = 19

Atomic number = 9

Number of neutrons = 10

j.) 40Ca20:  The mass number =40

Atomic number = 20

Number of neutrons = 20

k.) 37Cl17:  The mass number = 37

Atomic number = 17

Number of neutrons = 20

l.) 238U92:  The mass number = 238

Atomic number = 92

Number of neutrons = 146

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2CuO+2NH3------ 3Cu + 3H2O+ N2. Given that the relative molecular mass of copper oxide is 80, what volume of ammonia is required to completely reduce 120 g of Copper oxide? ( Cu=64, O=16, N=14)​

Answers

Volume of Ammonia(NH₃) = 22.4 L

Further explanation

Given

Reaction

3CuO+2NH₃⇒ 3Cu + 3H₂O+ N₂

In the problem, the CuO coefficient should be 3 not 2

M CuO = 80

mass CuO = 120 g

Required

The volume of NH₃

Solution

mol CuO :

[tex]\tt mol=\dfrac{mass}{M}\\\\mol=\frac{120}{80}\\\\mol=1.5[/tex]

From the equation, mol ratio CuO : NH₃ = 3 : 2, so mol NH₃=

[tex]\tt \dfrac{2}{3}\times 1.5=1~mol[/tex]

Assume at STP(0 °C, 1 atm) ⇒1 mol = 22.4 L, then volume of NH₃=22.4 L

When we drink water, it is absorbed into our blood through the digestive tract. If the concentration of water in body cells is low, cells must get water from the blood. What process allows water to enter body cells from the blood?

Answers

Answer:

Osmosis

Explanation:

Water is very essential for the body. When we drink water, our blood cells absorbs water from the body. This happen by a process called as osmosis process. Osmosis is type of diffusion process.

Water along with oxygen and carbon dioxide are some of the simple molecules that moves into the blood cell. Osmosis is the process by which water molecules passes into the cell bodies through its semi permeable membrane.    

What are the states of matter in precipitation?
Thank you! Have a nice day!

Answers

There can be two, solid (Hail) and liquid (Water).

Answer:

liquid and solid

liquid- rain

solid- hail and snow

I don't know about gas; probably not.

Temperature of boiling water cannot be measured by a
_____________ thermometer.

Answers

Answer:

Cannot be measured by pyrometer.

Explanation:

This is because a pyrometer measures temperatures for very hot bodies such as the sun.

Answer:

Clinical

Explanation:

Temperature of boiling water cannot be measured by a Clinical thermometer The reason behind this is that the range of clinical thermometer varies between only 35° C to 42° C.

What is the molecular formula of the molecule that has an empirical formula of CH2O and a molar mass of 120.12 g/mol

Answers

Answer:

C4H8O4

Explanation:

Let (CH20)x

C=1*12.01=12.01     (12.01, 1.01, 16.00 Avg mass of elements)

H=2*1.01=2.01

O=1*16.00=16.00

12.01 + 2.01 + 16.00 = 30.03

120.12/30,03=4

==> (CH2O)4 = C4H8O4

The molecular formula of the molecule that has an empirical formula of [tex]CH_2O[/tex] is equal to [tex]C_4H_8O_4[/tex].

Given the following data:

Empirical formula = [tex]CH_2O[/tex]Molar mass = 120.12 g/mol.

Scientific data:

Molar mass of oxygen = 16 g/mol.Molar mass of hydrogen = 1 g/mol.Molar mass of carbon = 12 g/mol.

To determine the molecular formula of the molecule that has an empirical formula of [tex]CH_2O[/tex]:

First of all, we would find the molar mass of [tex]CH_2O[/tex]:

[tex]CH_2O =12 +(1\times2)+16\\\\CH_2O =30\;g/mol[/tex]

For molecular formula:

[tex](CH_2O)n = 120.12\\\\30n = 120.12\\\\n=\frac{120.12}{30}[/tex]

n = 4.0

[tex](CH_2O)_4 = C_4H_8O_4[/tex]

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What is the molar mass of phosphorus pentachloride and uranium hexafluoride?

Answers

Answer:

PCl₅ = 208.22g/mol. UF₆ = 352.03g/mol.

Explanation:

Find the atomic mass of each element–and if there's a subscript (you multiply the atomic mass by that much). P= 30.97g, Cl= 35.45g; 30.97+35.45(5) = 208.22g [same idea with UF₆]

2. What property of liquids explains why water beads up on the car surface?

Answers

Answer:

Surface tension is a force that pulls particles at the exposed surface of a liquid toward other liquid particles. Surface tension explains why water forms droplets, like the water droplet that has formed on the leaky faucet pictured in the Figure below.

What would happen if a neutron was added to Lithium (7)

Answers

Answer:

if you add a neutron to lithium-7 it becomes a compound nucleus of lithium-8

what method would you use for your hypothesis.

Answers

Diagram of the scientific method

I need help o will give 10 points ​

Answers

Answer:

Plants use carbon dioxide to make their food

Explanation:

The most important role of carbon dioxide in the ecosystem is that plants use the compound to make food.

Since plants are primary produces, the food is taken by other organisms in the ecosystem for their own nourishment.

In the process of photosynthesis, green plants manufacture their own food. They use inorganic substances from the ecosystem and the energy from the sun to produce organic matter. The inorganic substance is carbon dioxide and waterSo, the carbon dioxide is an important raw material for photosynthesis to occur.

Describe each of the 3 main
domains used to classify living
things.

Answers

Answer:

Organisms can be classified into one of three domains based on differences in the sequences of nucleotides in the cell's ribosomal RNAs (rRNA), the cell's membrane lipid structure, and its sensitivity to antibiotics. 3. The three domains are the Archaea, the Bacteria, and the Eukarya.

Explanation:

HELP! Give the molar mass of Copper (II) Hydroxide.

Answers

Answer:

97.561 g/mol

Explanation:

how is wind energy captured?

where is wind energy found?

how is water energy captured?

where is water energy found?


plz use the passage i put. plz and thank you!!!!!

Answers

Explanation:How is wind energy captured? = A wind turbine turns wind energy into electricity using the aerodynamic force from the rotor blades, which work like an airplane wing or helicopter rotor blade.where is wind energy found? = Location of U.Show is water energy captured? = Hydropower uses a fuel—water—that is not reduced or used up in the process. Because the water cycle is an endless, constantly recharging system, hydropower is considered a renewable energy.where is water energy found? = China, Canada, Brazil

Which of these are an atom's valence electrons?​

Answers

Answer:

The Outer-most Electron shell contains the valence electrons.

Bonus Info:

Valence Electrons are used by atoms to make ionic bonds.

Answer:

Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell. We can write the configuration of oxygen's valence electrons as 2s²2p⁴.

Explanation:

ur welcome

i was doing this in school and i watched a video

I have no idea how to do this help plz!

Answers

The answes are
C)
Then it is
)A
Im doing this for class too bruh
C A and B D . Sorry if I’m wrong

Please select the word from the list that best fits the definition

Measured in grams of solute per gram of solution

concentration
solubility

Answers

Answer:

Solubility

Explanation:

Solubility units that incorporate units of solution include grams of solute per 100 grams of solution or grams of solute per liter of solution. Another way to express solubility is in moles of solute per liter of solution; this ratio is called "molarity."

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