Chemistry Review Homework

Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
+2
Standards-aligned
Dava Reischman
Used 14+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The three nuclides, U-233, U-235, and U-238, are isotopes of uranium because they have the same number of protons per atom and
the same number of electrons per atom
the same number of neutrons per atom
a different number of electrons per atom
a different number of neutrons per atom
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which numerical setup can be used to calculate the atomic mass of gallium?
(0.6011)(68.926 u) + (0.3989)(70.925 u)
(60.11)(68.926 u) + (39.89)(70.925 u)
(0.6011)(70.925 u) + (0.3989)(68.926 u)
(60.11)(70.925 u) + (39.89)(68.926 u)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which list of elements is arranged in order of increasing electronegativity?
Be, Mg, Ca
F, Cl, Br
K, Ca, Sc
Li, Na, K
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the formula XSO4, the symbol X could represent the element
Al
Ar
Mg
Na
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which Lewis electron-dot diagram is correct for CO2?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which electron configuration represents the electrons of an atom in an excited state?
2-2
2-2-1
2-8
2-8-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What occurs when potassium reacts with chlorine to form potassium chloride?
Electrons are shared and the bonding is ionic.
Electrons are shared and the bonding is covalent
Electrons are transferred and the bonding is ionic.
Electrons are transferred and the bonding is covalent.
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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