Front

Sodium (Na) and potassium (K) are in the same group on the periodic table. Based on their locations, which statement about sodium and potassium is true? Options: Sodium is less electronegative than potassium. , Sodium has fewer energy levels than potassium. , Sodium has a larger ionic radius than potassium. , Sodium has lower ionization energy than potassium. 

Back

Sodium has fewer energy levels than potassium. 

Front

Which of these elements has the greatest atomic radius? H, N, Cl, Cs

Back

Cs

Front

What is the pattern in the size of atomic radii in the Periodic Table of the Elements?

Back

Atomic radii decrease from left to right across a period and increase from top to bottom in a group.

Front

The symbols W, X, Y, and Z represent four elements shown on the outline of a periodic table.
Which element has the highest electronegativity?
Options: W, X, Y, Z

Back

W

Front

Fluorine, chlorine, bromine, and iodine all have the same number of valence electrons and have a tendency to gain electrons. Which element has the greatest ionization energy and electronegativity? Options: fluorine, chlorine, bromine, iodine

Back

fluorine

Front

Correct decreasing order of ionization energy according to the periodic table: Li, Na, K, Cs

Back

Li > Na > K > Cs

Front

What properties do elements on the left side of the Periodic Table have in common?

Back

They conduct heat and electricity 

Front

Which of these elements has an electron structure most similar to that of element X? Options: 1, 2, 3, 4

Back

2

Front

Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca? Options: beryllium, Be, potassium, K, titanium, Ti, yttrium, Y

Back

beryllium, Be

Front

Which element listed has the fewest valence electrons? Options: beryllium (Be), sodium (Na), oxygen (O), neon (Ne)

Back

sodium (Na)