Multiple Choice
Which of the following is a characteristic of the modern periodic table?
A) A group is a horizontal row on the periodic table.
B) A period is a column on the periodic table.
C) The elements in each group have similar chemical properties.
D) The B groups contain the representative elements.
E) The A groups contain the transition elements.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Write the electron arrangement for the atom
Q2: The metallic character of elements _.<br>A)increases going
Q4: Write the electron arrangement for the atom
Q5: Consider a neutral atom with 30 protons
Q6: The number of valence electrons found in
Q7: Semiconductors are located in the periodic table
Q8: Sulfur has 16 valence electrons.
Q9: Identify the noble gas in the following
Q10: Valence electrons are electrons located _.<br>A)in the
Q11: What is the mass number of an