Develop models (e.g., atomic-level models, including drawings, and computer representations) by analyzing patterns within the periodic table that illustrate the structure, composition, and characteristics of atoms (protons, neutrons, and electrons) and simple molecules.
Track each student's skills and progress in your Mastery dashboards
Loading...
Loading...
Loading...
Q 1/3
Score 0
Which statement BEST explains how periods on the periodic table are organized?
60
increasing number of neutrons from left to right
increasing atomic number from left to right
decreasing number of electrons from left to righ
decreasing atomic mass number from left to right
Q 2/3
Score 0
Which pair of elements has the most similar properties?
60
Li and B
I and Ca
K and He
N and P
3 questions
Q.
Which statement BEST explains how periods on the periodic table are organized?
1
60 sec
S8P1e
Q.
Which pair of elements has the most similar properties?
2
60 sec
S8P1e
Q.
The table shows properties of several elements.
Which element would Element X MOST LIKELY be grouped with on the periodic table?
