HW: Periodic Trends
Authored by Rick Salcido
Chemistry
9th - 12th Grade
NGSS covered
Used 5+ times
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25 questions
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1.
MATH RESPONSE QUESTION
30 sec • 4 pts
What is the total number of valence electrons in an atom of Boron (B) in the ground state?
Mathematical Equivalence
OFF
Tags
NGSS.HS-PS1-1
2.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
The change in energy when an atom gains an electron is known as...
activation energy
electron affinity
ionization energy
electronegativity
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
What is the total number of valence electrons in an atom of Helium (He)?
8
0
18
2
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
The elements Calcium (Ca) and Strontium (Sr) have similar chemical properties because they both have the same...
atomic number
number of valence electrons
mass number
number of filled subshells
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
All elements within Group 16/6A have the same number of...
valence electrons
energy levels
protons
neutrons
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
An element with a partially filled d subshell in the ground state is classified as...
a transition metal
a halogen
an alkali metal
an alkaline earth metal
Tags
NGSS.HS-PS1-1
7.
HOTSPOT QUESTION
30 sec • 4 pts
Which element in Period 5 of the periodic table is a transition metal?
Tags
NGSS.HS-PS1-1
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