Part B beryllium and iodine Express your answer as a chemical formula. ΑΣφ h t o ? ха x) a 5 1 5 * x A chemical reaction does not occur for this question. Use subscripts to represent the number of each type of atom or ion in a molecule. Review how to insert subscripts and more No credit lost. Try again Submit Previous Answers Request Answer Part D calcium and iodine Express your answer as a chemical formula. O ΑΣΦ - t ? ха a b xo a b 个 х X A chemical reaction does not occur for this question. Submit Previous Answers Request Answer

Answers

Answer 1

Beryllium and iodine do not react to form a compound. The chemical formula for beryllium is Be and the chemical formula for iodine is I. Calcium and iodine can react to form calcium iodide, which has the chemical formula CaI2.

In a chemical reaction, atoms can rearrange themselves to form new compounds by bonding together. The number and type of atoms in the reactants (the starting substances) must be balanced with the number and type of atoms in the products (the substances formed in the reaction). This balance is expressed through the use of chemical formulas.

In the case of beryllium and iodine, there is no chemical reaction that occurs between these two elements. Therefore, the chemical formula for this combination would simply be the symbols for beryllium (Be) and iodine (I) side by side, with no subscripts or other notation indicating a chemical bond between them.

On the other hand, calcium and iodine can react to form calcium iodide, which is a compound made up of calcium and iodine atoms bonded together. The chemical formula for calcium iodide is CaI2, which indicates that there is one calcium atom (represented by the symbol Ca) and two iodine atoms (represented by the symbol I) in each molecule of calcium iodide. The subscript "2" after the symbol for iodine indicates that there are two iodine atoms present.

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Related Questions

The mass of 0.10 mole of methane

Answers

Answer:

A methane molecule is made from one carbon atom and four hydrogen atoms. Carbon has a mass of 12.011 u and hydrogen has a mass of 1.008 u. This means that the mass of one methane molecule is 12.011 u + (4 × 1.008u), or 16.043 u. This means that one mole of methane has a mass of 16.043 grams.

メタン分子は、1つの炭素原子と4つの水素原子から作られています。炭素の質量は12.011uで、水素の質量は1.008uです。これは、1つのメタン分子の質量が12.011 u +(4×1.008u)、つまり16.043uであることを意味します。これは、1モルのメタンの質量が16.043グラムであることを意味します。^>^

The mass of 0.10 mole of methane (CH4) is 1.6grams.

HOW TO CALCULATE MASS?

The mass of a substance can be calculated by multiplying the number of moles of the substance by its molar mass. That is;

mass = moles × molar mass

According to this question, there are 0.10 mole in methane (CH4). The molar mass of CH4 is 16g/mol.

Mass of CH4 = 0.10 × 16

Mass of methane = 1.6grams.

Therefore, the mass of 0.10 mole of methane (CH4) is 1.6grams.

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How much did the total amount of discarded clothing and other fabrics increase from 1960
to 2018?

Answers

Answer:

Around 17,000,000 or a little more than that

What will happen to the Sun in approximately 5.5 billion years?

Answers

Answer:

This lifespan began roughly 4.6 billion years ago, and will continue for about another 4.5 – 5.5 billion years, when it will deplete its supply of hydrogen, helium, and collapse into a white dwarf.

Explanation:

Got this from the internet lol

write a paragraph on: how Westfield how the rust in their water formed.

Answers

Answer:

Students have investigated what's going on in the fictional town of Westfield, they learned that the mysterious reddish-brown substance in the water is actually rust, which formed because of a chemical reaction between the iron pipes and the fertilizer substance in the water.

Explanation:

what are the Common compounds of niobium in which it is found

(include common names and their chemical formulas)

plssss help

Answers

Explanation:

Common Compounds of Niobium Nb

[Nb+3, Nb+5]

Compound NameFormulaMolar Mass

Niobium(III) OxideNb2O3233.811

Niobium(III) SulfateNb2(SO4)3474.0006

Niobium(V) PhosphateNb3(PO4)5753.576

Niobium(V) BromideNbBr5492.4264

Niobium(V) PentoxideNb2O5265.8098

Niobium OxychlorideNbOCl3215.2648

Niobium(V) IodideNbI5727.4287

Niobium(V) PentachlorideNbCl5270.1714

Niobium(V) ThiocyanateNb(SCN)5383.3184

Niobium(III) ChlorideNbCl3199.2654

Niobium(V) Dihydrogen PhosphateNb(H2PO4)5577.84259

Niobium NitrideNbN106.9131

Niobium(III) DichromateNb2(Cr2O7)3833.77676

Niobium HydroxideNb(OH)3143.9284

Niobium(V) PerchlorateNb(ClO4)5590.15938

Niobium(V) HypochloriteNb(ClO)5350.16838

Niobium(III) HypochloriteNb(ClO)3247.26358

Niobium(V) CarbonateNb2(CO3)5485.85726

Niobium(III) TartrateNb2(C4H4O6)3630.02564

Niobium(III) ChromateNb2(CrO4)3533.79386

Niobium(V) HexafluorosilicateNb2(SiF6)5896.192356

Indicate whether each statement is true or false. Drag the appropriate statements to their respective bins. the octet rule is based on the fact that filling in all s and p valence electrons in a shell gives eight electrons. compounds in which nitrogen is the central atom are frequent exceptions to the octet rule because they have too many electrons surrounding the nitrogen. boron compounds are frequent exceptions to the octet rule because they have too few electrons surrounding the boron. the si in sih4 does not follow the octet rule because hydrogen is in an unusual oxidation state.

Answers

Answer:

the octet rule is based on the fact that filling in all s and p valence electrons in a shell gives eight electrons--- True

boron compounds are frequent exceptions to the octet rule because they have too few electrons surrounding the boron......True

compounds in which nitrogen is the central atom are frequent exceptions to the octet rule because they have too many electrons surrounding the nitrogen...... false

the si in sih4 does not follow the octet rule because hydrogen is in an unusual oxidation state......false

Explanation:

The octet rule simply means that atoms tend to be stable when they have eight electrons in their outermost shell. This rule mostly applies to the s and p orbitals and not to the d and f orbitals. The sum of the total electrons in the outermost s and p orbitals is often equal to eight for an atom to be considered stable, for example, the noble gases.

Boron often forms compounds which has less than eight electrons around the boron central atom because the compounds of boron often have a sextet of electrons owing to the fact that boron is trivalent and forms mostly covalent compounds.

Nitrogen compounds mostly obey the octet rule and do not have excess electrons. The oxidation state of hydrogen in SiH4 is not unusual.

The behavior of an organism is influenced A. only by the organism's life experiences. B. only by the organism's evolutionary history. C. by both the organism's evolutionary history and its life experiences. D. by neither the organism's evolutionary history nor its life experiences.

Answers

C because it would be influenced by both

CSI blood drop I need help please I don’t find any answers in the episode

Answers

Fightfghghhhjdffgggghhjkkmjjj

please help me asap. NO LINKS I WILL REPORT YOU!!!!

the galvanometer is not measuring any electricity despite all wires being hooked up. Why could this be?

Answers

Answer: you can find out information about Wheatstone bridge.

Explanation: maybe resistors are adjusted such a way that current through

Galvanometer is zero. There is no picture.

Answer:

mmh maybe the connections arent right

Explanation:

coz when u mess up even a bit current wont flow

How many moles of gas is contained in 2.21 L at STP?​

Answers

Answer:

its an helium gas are contained in a 4.0L at STP? 0.17

Explanation:

because the elements in column 2.21 is what quantity of gas in holes

PLEASE HELP ME ASAP!!!!!!!!!!!!!

Answers

the answer is B i’m sure

Which of the following is deforestation most likely to cause?
A.
an increase in the amount of soil on Earth
В.
an increase in the amount of minerals on Earth
C.
an increase in the amount of carbon dioxide in Earth's atmosphere
D
an increase in the amount of ozone in Earth's atmosphere

Answers

Answer:

C

Explanation:

trees (as well as other plants) produce carbon dioxide. deforestation is the removal of trees. this will not cause an increase in any pollutants such as ozone. ozone is made from VOCs and other harmful pollutants, and not caused by trees. tearing down trees will also not create more soil. So the answer has to be C

Read the temp what is it?
17.3 or 17.25??

Answers

Answer:

I would say 17.25.

Explanation:

17.25 would be ur answer

Describe how ultrasonic waves help ships navigate and how ultrasonic waves can be used for medical purposes

Answers

i don’t know about ultrasonic waves sorry !!:) !!

A sample of gas is kept at a temperature of 300 k, a volume of 1.45L, and a pressure of 3.00 kPa. How many moles of has are in the sample

Answers

Answer:

the number of moles of the gas is 0.00174 mol.

Explanation:

Given;

temperature of the, T = 300 K

volume of the gas, V = 1.45 L

Pressure of the gas, P = 3.0 kPa

The number of moles of the gas is calculated using Ideal gas equation, as follows;

PV = nRT

Where;

n is number of moles of the gas

R is the ideal gas constant, = 8.315 L.kPa/mol.K

n = PV / RT

n = (3 x 1.45) / (8.315 x 300)

n = 0.00174 mol.

Therefore, the number of moles of the gas is 0.00174 mol.

Organisms are more closely related to the species that they share the most DNA with

True or False

Answers

Answer:

True

Explanation:

A very small electronegativity difference leads to a:
a Polar covalent bond
b Non-polar covalent bond
c lonic bond
d None of the above

Answers

Non polar covalent bond

A 4.5L container of gas has a pressure of 3.0 atm at a temperature of 100 C. The container is expanded to 6L, and the temperature is increased to 200 C.

A) 2.85 atm

B) 5.3 atm

C) 1.05 atm

D) 100 K

Answers

I think it’s D or A

why does his apple tastes less sour after 15 days ​

Answers

Answer:

Maybe because that he ate the apple when it wasn't ready or fully grown yet just like bannans if bannanas are green that means that they are still growing so maybe that why it tasted sour or prob because he ate an green apple because thos apples are sour.

How many moles of NaCl are found in 5.2L of a 0.75 M solution?

Answers

Answer 4.45 moles

Explanation:

A 1.26 g sample of He gas has a pressure of 0.123 arm and a volume of 32.6 L. What is the temperature of the sample, in degrees Celsius

Answers

Hello, the answer would be -118*C

A 1.26 g sample of He gas has a pressure of 0.123 arm and a volume of 32.6 L, then the temperature of the gas is -117.7 degree C.

How do we calculate the temperature of gas?

Temperature of any gas will be calculated by using the ideal gas equation as:

PV = nRT, where

P = pressure of gas = 0.123 atm

V = volume of gas = 32.6 L

R = universal gas constant = 0.082 L.atm / K.mol

T = temperature of gas = ?

n is moles of He gas and will be calculated as:

n = W/M, where

W = given mass = 1.26g

M = molar mass = 4 g/mol

n = 1.26 / 4 = 0.315 moles

On putting values we get,

T = (0.123)(32.6) / (0.315)(0.082)

T = 155.41 K = 155.41 - 273.15 = -117.7 degree C

Hence required temperature of the helium sample is -117.7 degree C.

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Student Force
40 N
Student Force
80N
What is the net force in newtons (N)?
What is the direction of the motion? no motion
2

Answers

Answer:

net force is 80n ‐40n=40newton

the direction of motion is right

I need help with my science project someone help me answer it!

Answers

Answer:

food

Explanation:

Can you help me please

Answers

Answer:

11.5 or 11.52, depending on however many decimal places you round it to

Explanation:

the equation for mass ( using the specific heat capacity equation) is energy transferred divided by temperature change x the specific heat capacity.

so, we do 725 ÷ 32° (the temp change) x 2.03 = 11.52 or 11.5, depending on how many decimal places you round to

i would round to 2 decimal places, so the answer would be 11.52kg.

mass is measured in kg :) hope this helped.

how do you balance _KCIO3 + __P4 → _P4010 + ___KCI

Answers

10KClO3 + 3P4 → 3P4O10 + 10KCl

Definition:This is a type of lab equipment in which students use probes, interfaces, and software for real-
time data acquisition, display, and analysis with a computer or calculator

What is the term?

Answers

The term is User Interface

How does temperature differ from heat?

Answers

Answer:

Heat is a specific spectrum of the temperature scale while temperature is a lot broader

Explanation:

DUE IN AN HOUR PLS HELP WILL SEND MONEY THRU CASHAPP ​

Answers

Don’t send your money dude

A fire that is burning wood will release water vapor and carbon dioxide
true or false?

Answers

Answer:

true.

Explanation:

How many moles do I have of Lithium if I have 116.3g

Answers

Answer:

16.85mol

Explanation:

The number of moles of a substance can be calculated by dividing the mass of that substance by its molecular mass. That is;

number of moles (n) = mass (m) /molar mass (MM)

Molar mass of lithium = 6.9g/mol

Hence,

number of moles = 116.3 ÷ 6.9

Moles = 16.85mol

Therefore, 16.85moles is present in 116.3g of Li.

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