Which of the following elements belong to the second period (second row) of the periodic table?
Answer
Aluminum (Al)
Beryllium (Be)
Lithium (Li)
Magnesium (Mg)
Carbon (C)
Argon (Ar)
Fluorine (F)
Question 2
Question
In the periodic table, the columns are called periods
Answer
True
False
Question 3
Question
What other names are used as synonyms for the periods of the Periodic table
Answer
Amount of valence electrons
Energy Levels
Electron Orbits
Rows
Columns
Question 4
Question
What is the group and the period of Oxygen (O)
Answer
Second group, 6th period
6th group, 2nd period
1st group, 6th period
6th group, 1st period
Question 5
Question
Which element is the found in the 3rd group and 2nd period?
Answer
Hydrogen (H)
Helium (He)
Boron (B)
Magnesium (Mg)
Question 6
Question
Select the correct answer that completes the sentence below.
Magnesium is part of [blank_start]Group 2A and period 3.[blank_end]
Answer
Group 2A and period 3.
Group 3A and period 2
Group 3A and period 3
Group 2A and period 2
Question 7
Question
Associate each of the following elementary particles with their appropriate charge
Electrons: [blank_start]Negative[blank_end]
Protons: [blank_start]Positive[blank_end]
Neutrons: [blank_start]Neutral[blank_end]
Answer
Negative
Positive
Neutral
Question 8
Question
Extra difficult question:
Identify the element drawn here