WorksheetsPeriodic Table CofK '24
Total questions: 25
Worksheet time: 23mins
Which two elements share common characteristics based on the periodic table?
Sodium and Magnesium
Chlorine and Sulfur
Argon and Neon
Calcium and Bromine
A student is studying a mystery substance. It breaks easily. It has a very dull luster. It doesn't conduct any electricity. What is the most likely substance this is?
Metal
Metalloid
Nonmetal
Transition Metal
How many energy levels does gallium have?
phosphorus
A rule that states that chemical and physical properties of elements repeat with the atomic number of the elements is the _________.
Na and K
Na and Mg
Na and Cl
Na and Ca
Which of the following properties of metal means "shiny"?
malleability
compressibility
ductility
luster
A measure of the size of an atom, and is generally defined as the distance from the nucleus to the outermost electron orbit
chemical reactivity
atomic radius
energy levels
orbit
Which has the greater Ionization Energy:
Fe
Y
Which has the greater electronegativity (EN)?
P
S
Si
Na
Which element has a lower electronegativity?
Na
Cl
Mg
Mendeleev's periodic table was remarkable because...
It was arranged by density
It left spaces for undiscovered elements
It was written in Latin
It included metalloids
Of the four atoms shown at the right, which TWO are in the same group?
1 & 2
1 & 4
1 & 3
2 & 3
