WorksheetsChapter 4 - The Periodic Table
Total questions: 11
Worksheet time: 6mins
Scientists developed the periodic table to organize the data about the elements.
True
False
Who predicted the discovery of elements that seemed to be missing from his periodic table?
Albert Einstein
Dmitri Mendeleev
Marie Curie
Isaac Newton
The periods (rows) represent ________ and the families (columns) represent similar electron arrangements.
energy levels
atomic numbers
chemical bonds
isotopes
Metals tend to be ________________, malleable, ductile, and reactive solids with high conductivity.
lustrous
dull
brittle
unreactive
What is a simple way to represent atoms of elements?
Electron dot notation
Lewis structure
Bohr model
Atomic mass
The periodic table places _______________ on the left side and _______________ on the right side, separated by a heavy stairstep line.
metalloids, metals
metals, nonmetals
nonmetals, metals
metals, metalloids
Members of a family have the same number of ________ and properties.
valence electrons
protons
neutrons
atomic numbers
Nonmetals can be solids, liquids or gases, with varying reactivity and poor conductivity.
True
False
Atomic radius increases down a column due to the addition of ________.
energy levels
protons
valence electrons
neutrons
Electronegativity increases across a row as the valence electrons are nearer to the nucleus and decreases down a column as the valence electrons are farther from the nucleus.
True
False
