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WorksheetsChemistry A MASSIVE REVIEW 2022
Total questions: 148
Worksheet time: 2hrs 25mins
How close a measurement is to the accepted value is called..
Accuracy
Precision
Significant
Estimate
Which is a form of heterogeneous mixture?
gravel and water
sugar and water
powdered milk and water
powdered coffee and water
What kind of mixture is shown in the picture?
Homogeneous
Heterogeneous
Valence electrons are transferred
Ionic bonds
Covalent bonds
Valence electrons are shared
Ionic bonds
Covalent bonds
Can be a solid, liquid, or gas at room temperature
Ionic compounds
Covalent compounds
What kind of bonds are shown here?
Covalent
Ionic
What type of bonding does this picture show?
Ionic
Covalent
What type of bonding does this picture show?
Ionic
Covalent
If an atom has no charge, which of the following must be true?
It has more neutrons than protons or electrons.
There are only neutrons inside the atom.
Its number of protons is equal to its number of electrons.
The neutrons in the atom outnumber the electrons and protons.
What kind of bond will Potassium form with Sulfur?
ionic
covalent
metallic
no bond
4
What are the seven diatomic elements?
H2, Cl2, Br2, O2, N2, I2, F2
H2, Cl2, I2, F2, Hg2, Br2, Fe2
H2, Cu2, Ni2, B2, O2, I2, Fe2
What are diatomic elements?
Elements that form two-atom molecules when not combined in a compound.
Two elements that combine with one atom from each element.
Elements that are always in pairs no matter what.
Is O2 a diatomic element?
Yes
No
What type of bond would form between O and H?
Polar Covalent
Non-Polar Covalent
Ionic
What type of bond would form between O and O?
Polar Covalent
Non-Polar Covalent
Ionic
What type of bond would form between Li and O?
Polar Covalent
Non-Polar Covalent
Ionic
The bond between C and Cl is polar covalent. That means
there is a pair of electrons shared equally between them
there is a pair of electrons shared unequally between them
an electron will be stolen from one and given to the other
What type of bond contains atoms with "partial" charges? (Example: δ+)
Polar Covalent
Non-Polar Covalent
Ionic
What type of bond contains cations and anions?
Polar Covalent
Non-Polar Covalent
Ionic
What are valence electrons?
The total number of electrons in an atom
The number of electrons in the outermost shell
The number of electrons in the second shell
The number of protons in the outermost shell
How many valence electrons does carbon have?
4
5
6
7
This could be the dot diagram of
Mg
Cl
C
O
Which of the following is a correct electron dot structure?
Which of the following is the correct electron dot structure for nitrogen?
What is the correct Lewis Dot Structure for ammonia NH3
Which is the correct molecular structure for carbon dioxide?
NH3 has how many lone pairs?
0
1
2
3
What is this element? 1s22s22p63s23p64s23d104p6
Argon
Krypton
Selenium
Bromide
Sulfur is a...
metal
nonmetal
metalloid
N or C?
What is an isotope?
A charged atom
Two atoms of the same element with different amounts of neutrons
Two atoms of the same element with different amounts of protons
A neutral atom
What is the mass of an electron?
1 amu
negligible (basically zero)
how many electrons does an uncharged atom of Neon have?
8
9
10
11
1s22s22p63s23p64s23d10
1s22s22p63s2
Which of the following is not a correct designation for a sublevel?
zz
p
d
f
What is incorrect about this orbital diagram?
Both arrows in the 2p box should be pointing up
There is nothing incorrect with this diagram
In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box pointing in the same direction.
All the arrows should be pointing up.
146C --> 0-1e + ________
In the symbol 167N what the 7 stand for?
Mass number
Atomic number
Atomic mass
Number of neutrons
