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Chemical Bonding

Questions about the various chemical bonds elements make in compounds.

500 Questions

What is the answer for this Suppose you had one mole of oxygen (O2). How many moles of hydrogen (H2) would react completely with the oxygen and how many moles of H2O would be produced?

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Here is the BALANCED reaction eq'n.

2H2(g) + O2(g) = 2H2O(l)

The prefix number are the Molar Ratios 2:1::2

So oxygen is ONE(1) mole

Hence hydrogen is TWO(2) moles

It produces TWO(2) moles of water.

Does bromine tend to lose or gain electrons to become an ion?

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Bromine, like Fluorine and Chlorine, is an Halogen. Halogens gain an electron to become X^(-) anion.

'X' being the general symbol for an halogen.

Is CaCl2 formed by a covalent bond?

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NO!!! It is TWO(2) ionic bonds.

CaCl2 = Ca^(2+) + Cl^(-) + Cl^(-)

Are batteries ionic or covalent?

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Definitely IONIC. Because if there were no ions present, then charge would not move, hence no electric flow.

What molecule is formed by covalent bonding?

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Molecules formed by covalent bonding include water (H₂O), methane (CH₄), and oxygen (O₂), where atoms share electrons to achieve a stable configuration.

Is neon a ionic or covalent bond?

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It is neither!!!!!

Neon is monatomic gas. That is a gas that exists as single uncombined atoms.

Ionic or Covalent means the type of bonding betyween atoms.

Is KCI and ionic bond?

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YES!!!!

KCl = K^(+) + Cl^(-)

What causes specific lines to appear in a line spectrum?

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There are a couple of things that cause specific lines to appear in a line spectrum. Two of these things are density and wavelength.

What is a name for a familiar ionic compound?

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Sodium chloride (NaCl) found in the home as TAble Salt.

Also

Sodium bi-carbonate (NaHCO3) as Baking #Poder.

Sodium Carbonate (Na2CO3) as washing sode/ soda crystals.

Sodium stearate ( NaOOC(CH2)16CH3) as soap.

Can two cations form ionic bond?

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NO!!!

Because they are both positive ions , they will REPEL each other.

An ionic compound has both positive and negative ions. ~Thet attract each other.

NB

Think of the North and South poles of a magnet. Two north poles facing each other REPEL . A borth and South pole facing each other ATTRACT.

What is the ionic compound name for Na2O?

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Na2O is Sodium Oxide.

How are atoms held together by a convalent bond?

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By sharing electrons.

The analogy is like two people linking arms.

What are three properites of an ionic compound?

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Both CATIONS (M^([n]+)) and ANIONS (X^([n]-)) are needed.

It has a high melting point.

It does NOT conduct electricity as a solid, but does conduct electricity, when liquid or in solution.

The bonding is ionic (NOT Covalent)

Forms a giant crystalline lattice.

Is diamond an ionic bond?

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NO!!!! It a covalent bond.

Any one Carbon atom makes four single covalent bonds to four adjacent carbon atoms. The structure is referred to as ADAMANTINE.

Diamond is an ALLOTROPE of Carbon. Othe carbon allotropes are graphite(soot) and Buckminster Fullerene(Footballene)

What is the rule when writing the name of an ionic compound that contains a transition metal?

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To indicate the oxidation number using Roman numerals.

e.g.

Ferric oxide or ferrous oxide /??? Which

Ferric oxide (Fe(II)O).

Ferrous oxide (Fe2(III)O3).

or

Potassium permasnganate KMnO4 The manganese is (+7) . hence

KMn(VII)O4

Is BaCl ionic or covalent?

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Ionic

What is the chemical formula for LiO?

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LiO DOES not exist.

Lithium oxide has the formula 'Li2O'.

What is the name of formula LiBr?

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LiBr

= Lithium bromide

==================an ionic compound

Which molecules were nonpolar because all bonds were nonpolar?

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H2, CH4, Cl2, C2H2, CO2, O2 were all non polar atoms because they all were not lone pairs (meaning that there were no one dots).

Also don't write this down but look at all the bonds. They all have 2 or 4 and not 3 or 5. For example: Cl2 and not Cl3.

Is CH2Br2 ionic or covalent?

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Ionic

What is the correct name for the compound Fe2O3?

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Fe2O3 is ' iron(III) oxide' . Archaically and commerically it goes by the name of 'ferric oxide' or iron ore.

Is C2H4 ionic?

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no it is covalent because it is between two nonmetals but a ionic is between a metal and nonmetal

Do the polyatomic ions meet the requirements to be called compounds?

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No, because part of the definition of a compound is a requirement for lack of net electric charge, but any ion by must have a net electric charge.

Will bromine and rubidium form and ionic compound?

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YES!!!

2Rb(s) + Br2(l) = 2RbBr(s)

It is similar to the sodium / chlorine reaction, and compound.

Can calcium and oxygen bond?

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YES!!! THey form calcium oxide, other wise known as 'lime' or 'quicklime'.