$$$ Quiz $$$ Ionic and Metallic Bonding/Naming Ionic Compounds.
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Transcript of $$$ Quiz $$$ Ionic and Metallic Bonding/Naming Ionic Compounds.
$$$ Quiz $$$
Ionic and Metallic Bonding/Naming Ionic
Compounds
Describe the octet rule.
Atoms react to acquire the stable electron structure (8 e-) of a noble gas
How many valence electrons are in an atom of selenium?
6
How many valence electrons are in an atom of calcium?
2
What is the electron configuration of arsenide?
1s22s22p63s23p64s23d104p6
What is the charge on the beryllium ion?
+2
What is the formula of rubidium sulfate?
Rb2SO4
When determining the chemical formula of a written compound with
a transition metal, how can you determine the charge on that metal?
Look at roman numeral
True or False. Sulfate is a cation.
False
The number of oppositely charged ions surrounding a
particular ion is known as the …
coordination number
When Group 3A elements form ions, they _____ _____ electrons.
lose, three
Which element when combined with bromine, would most likely
form an ionic compound?carbon, lithium, chlorine, nitrogen
lithium
What is the charge on Mn in the formula MnS2? How would you write out the
formula?
+4, manganese(IV) sulfide
What is the formula of scandium(II) nitride?
Sc3N2
What is the formula of ruthenium(VI) nitrate?
Ru(NO3)6
How would you write Cu3(PO3)2?
copper(II) phosphite
What is the chemical formula for table salt?
NaCl
True or False. Ionic compounds are also known
as salts.
True
Why are metals good conductors of electricity?
mobile valence electrons, sea of electrons
Elements within a group have a similar number of _______
electrons.
Valence
True or False. Cations form when an atom gains electrons.
False
What is the chemical formula of tin(IV) carbonate?
Sn(CO3)2
What is the chemical formula of tin (II) carbonate?
SnCO3
True or False. In an ionic bond, atoms share electrons.
False
A bond where electrons are shared is known as a _______
bond?
covalent
Poor conductor of electricity … metals or non-metals?
non-metals
Is there such a thing as S3-?
No, only S2-, sulfide
A mixture of two or more metals is called an _____.
alloy
How many valence electrons does carbon have?
four
Draw the electron dot structure of silicon?
Chromium can have the following charges, +2, +3, +4, +5, +6, +7. Write the formula for each of the oxides formed.
CrO, Cr2O3, CrO2, Cr2O5, CrO3, Cr2O7
Group 17 (7A) form anions known as ….
halides
What is the net charge of the ionic compound strontium bromide?
Zero, neutral compound
Draw the electron dot structure of antimony ?
What is the chemical formula of indium(IV) hydroxide?
In(OH)4
What is the chemical formula of ammonium hydroxide?
NH4OH
What is the chemical formula of phosphorus carbonate?
Can’t exist, both are anions