Atoms and the P.T Common Assessment
Authored by Alejandro Pittman
Science
9th Grade
GA covered
Used 11+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atoms in Group 18 elements are inert (chemically unreactive) because __________________________.
they have filled inner energy levels.
they have no valence electrons.
they combined to form molecules.
they have a full valence shell.
Tags
SPS1.b
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of valence electrons in Group 2 is ________________ and their oxidation number is ________________.
2, -2
8, +8
18, +2
2, +2
Tags
SPS1.b
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The protons and neutrons of three carbon isotopes are shown. Which BEST describes the difference between carbon-12 and carbon-14?
Carbon-12 has two less protons than carbon-14.
Carbon-12 has one more neutron than carbon-14.
Carbon-14 has one less proton than carbon-12.
Carbon-14 has two more neutrons than carbon-12.
Tags
SPS1.a
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Periodic Table is shown. Which list consists of elements that have the MOST similar chemical properties?
Mg, Al, and Si
K, Ca, and Ga
Mg, Ca, and Ba
K, Al, and Ni
Tags
SPS1.c
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On the periodic table, the elements in the columns have the same
density.
atomic mass.
physical properties.
number of valence electrons.
Tags
SPS1.c
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is true about the number of protons in carbon (C)?
The number of protons in carbon (C) is equal to its atomic mass.
The number of protons in carbon (C) can be determined by adding its atomic number to its atomic mass.
The number of protons in carbon (C) can be determined by subtracting its atomic number from its atomic mass.
The number of protons in carbon (C) is equal to its atomic number.
Tags
SPS1.a
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atom of this element has 5 valence electrons and 2 energy levels.
strontium
nitrogen
phosphorous
barium
Tags
SPS1.b
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
