11-1 Quizizz

Elements in a group on the periodic table are in the same state at room temperature.

• True

• False

All periods on the periodic table contain the same number of elements.

• True

• False

Elements were arranged in order of increasing atomic mass on Mendeleev's first periodic table.

• True

• False

The position of an element in the periodic table tells you NOTHING about the element except its size.

• True

• False

Mendeleev was unable to foresee future discoveries based on his table of elements.

• True

• False

Which of the following is NOT on an element key?

• atomic number

• state of matter

• symbol

• density

The place of an element in the modern periodic table is determined by its ____.

• atomic number

• atomic mass

• density

• chemical activity

A single horizontal row of the periodic table is called _____.

• a class

• a group

• a period

• a method

Which of the following is NOT one of the repeating patterns in Mendeleev's periodic table?

• melting point

• boiling point

• atomic mass

• reactivity

In the modern periodic table, elements are arranged according to increasing ____.

• atomic number

• atomic mass

• date of discovery

• electrical conductivity