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3 years ago

What is the name of the ionic compound cao

Chemistry

2 answers:

frosja888 [35]3 years ago

7 0

The name of this Ionic Compound is Calcium oxide.

jekas [21]3 years ago

7 0

Calcium Oxide
Hope this helps!

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Write the uses of Ions .

Montano1993 [528]

Answer:

This is what they are: An ion is a charged atom or molecule. It is charged because the number of electrons do not equal the number of protons in the atom or molecule. An atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

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Explanation:

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An atom that undergoes radioactive decay and has a large nucleus most likely contains

iogann1982 [59]

I believe the correct response would be A. More neutrons than protons.

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Practice Problems Exercise 8.6 Classify each of the following reactions in as many ways as possible.4N H3 (g) 5 O2 (g) n 4NO(g)

nikklg [1K]

Explanation :

(a) $4NH_3(g)+5O_2(g)\rightarrow 4NO(g)+6H_2O(g)$

This reaction is combustion reaction in which an oxygen react with a molecule to give its corresponding oxides ans water molecule.

(b) $S_8(s)+8O_2(g)\rightarrow 8SO_2(g)$

This reaction is a redox reaction or oxidation-reduction reaction in which sulfur get oxidized and oxygen get reduced.

(c) $2Al(s)+3Cl_2(g)\rightarrow 2AlCl_3(s)$

This reaction is a combination reaction in which the two reactants molecule combine to form a large molecule or product.

(d) $2AlN\rightarrow 2Al(s)+N_2(g)$

This reaction is a decomposition reaction in which a large molecule or reactant decomposes to give two or more molecule or products.

(e) $BaCl_2(aq)+Na_2SO_4(aq)\rightarrow BaSO_4(s)+2NaCl(aq)$

This reaction is a double displacement reaction in which the cation of two reactants molecule exchange their places to give two different products.

(f) $2Cs(s)+Br_2(l)\rightarrow 2CsBr(s)$

This reaction is a combination reaction in which the two reactants combine to form a large molecule or product.

(g) $KOH(aq)+HCl(aq)\rightarrow H_2O(l)+KCl(aq)$

This reaction is a double displacement reaction in which the cation of two reactants molecule exchange their places to give two different products.

(h) $2C_2H_2(g)+5O_2(g)\rightarrow 4CO_2(g)+2H_2O(l)$

This reaction is combustion reaction in which a hydrocarbon react with an oxygen to give carbon dioxide and water as a products.

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3 years ago

What does the bottom number within each box of the periodic table refer to? How can it be used to determine the number of neutro

geniusboy [140]

The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom. The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom. Every element has a unique atomic number.

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PLEASE HELP! Count the total number of atoms in H 2 O: 2 3 4 5 6

Darya [45]

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two hydrogen and 1 oxygen

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