All Physical Science
Ionic Bonds
Covalent Bonds
Metal Bonds
Random
100
Where are nonmetals located in the periodic table?
to the right of the zigzag line
100
What group is the MOST reactive metal group?
alkali metals!
100
In a double bond, how many electrons are shared?
4
100
The bonds of pure metals can be said they are like a ______ of electrons.
sea
100
How many valence electrons does Carbon have?
4
200
What type of bond is found in pure aluminum sulfate?
ionic
200
___________ ions are composed of more than 1 atom. Give an example.
Polyatomic. SO42-
200
Write the formulas for ALL the Diatomic molecules
H2, O2, N2, Cl2, Br2, I2, F2
200
True or False: Brass has the same properties as the individual alloys it is made up from?
False, alloy properties are much different than the individual metals that make them up
200
Name the following molecular compounds? a) N3F6 b) CH4
a) trinitrogen hexafluoride b)you'd be tempted to say carbon tetrahydride..but as you will soon learn it is really named methane.
300
How many carbons are in the following compound CH3COCH2CCH2
5 Carbons
300
Which of the following conducts electricity? a) sugar crystals b) salt crystals c) sugar dissolved in water d) salt dissolved in water
d) salt dissolved in water
300
Atoms in _______ covalent bonds carry slightly electrical charges.
polar
300
What are at least 3 properties of metal bonds?
sea of electrons, shiny, ductile, high melting points, malleable, solutions of various pure metals make up alloys
300
Draw the bonds that form between two Nitrogen molecules. GET THAT OCTET around each Nitrogen atom PEOPLE What type of bond is this? (use only how many valence electrons that are available)
nonpolar triple covalent with each Nitrogen having a lone pair on either side of it. (10 electrons total)
400
Just because so many people missed it....Dalton's atomic theory contains all of the following ideas except: a) atoms of two or more elements can combine to form compounds b) in any element, the atoms are exactly alike c) atoms of each element have a unique mass d) atoms are made of protons, neutrons, and electrons
d) atoms are made of protons, neutrons, and electrons
400
what is an oxidation state?
A cation or anion's charge!
400
Name 2 properties of molecular compounds
low boiling point, not usually crystal structure, poor conductors of electricity
400
From what pure metal is stainless steel made of?
page 173 in book, iron, copper, chromium and nickle
400
What are at least 2 properties (physical and chemical) of alloys?
pg. 173 in book, Physical properties are much the same as the metals that make them up, but they are much stronger (harder) Chemical properties: often have different chemical properties, like resistant to rusting as an alloy compared to some of the metals they the alloy is mixed with.
500
What two groups of elements are located below the periodic table?
The lanthanides and the actinides
500
How many total atoms are in the following compound: (NH4)3PO4
20 total atoms 3=N 12=H 1=P 4=O
500
Give an example of a nonpolar covalent bond. Draw using chemical dashes for bonds.
Any of the diatomics for sure!!!
500
Why is an alloy not a compound?
....Metals in an alloy do NOT react chemically, they are simply a mixture of metals
500
A covalent bond is a) an electrostatic attraction between two atoms due to the sharing of electrons b) an electrostatic attraction between two atoms due to the transfer of electrons c)an electrostatic attraction between two atoms where electrons are donated by one of the atoms d) an electrostatic attraction between ions.
It is A!
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