Which element in figure 5-3 has the highest density?

• Chlorine

• Bromine

• Iodine

• Calcium

• Barium

Which scientist noted when elements were arranged by atomic mass, there were patterns which repeated themselves every 8 elements?

• Dobereiner

• Newlands

• Mendeleev

• Meyer

If the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of seven elements. (every 8 elements there is a pattern). This is known as which of the following.

• Periodic Law

• Law of Heptaves

• Laws of Mendeleev

• Law of Octaves

Which scientist first published the periodic table to elements?

• Newlands

• Mendeleev

• Bohr

• Dobereiner

Which scientist developed the concept of atomic number?

• Newlands

• Mendeleev

• Rutherford

• Moseley

True or False: Atomic mass generally increases with atomic number.

• True

• False

By which of the following should elements be arranged?

• atomic mass

• atomic number

• density

• electronegativity

When elements are arranged in order of increasing atomic number, their physical and chemical properties show a periodic pattern. This is known as

• Periodic Law

• Mendeleev's Law

• Mosley's Law of Patterns

• Periodic Table of Elements

Vertical columns on the periodic table are called?

• Families or groups

• Periods

• Periodic

• Patterns

Horizontal rows on the periodic table are called?

• Families or groups

• Periods

• Periodic

• Patterns