Science 8 Chapter 15 Review The Periodic Table

Identify the symbol for Hydrogen

Elements in the __________ group can be used as catalysts.

The liquid metal in thermometers & barometers.

These are noble gases.

A group of elements on the periodic table is also known as a family.

The lanthanide elements are very rare.

What state (phase) does nitrogen occur at room temperature?

Used in X-ray equipment.

Elements in Groups 3-12 of the periodic table are called?

The atomic number is the number of ______ in the nucleus of an atom.

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

A major difference between the two rows of inner transition elements is that the lanthanides __

This is a fuel in nuclear power plants.

The iron triad contains iron, nickel, and what other metal?

Is oxygen synthetic or naturally occuring?

Used in batteries.

These are salt formers.

An organization of elements by the number of protons in each.

Which of the following statements about iron is NOT correct?

Identify the atomic mass of Iron.

This is the name of the elements in Group 2 of the periodic table.

Any malleable element that is a good conductor of electricity

Eight groups on the periodic table

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

Ba, barium, 56 is a ______________.

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

Do not occur naturally

These are inner transition elements.

A metalloid is an element with the same properties as a metal.

W, tungsten, 74 is a _________________

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

____ conducts electricity when exposed to light, so it is used in solar cells and light meters.

Used in baseball bats, cookware, and soft drink cans

Es, einsteinium, 99 is a ______________.

silvery solids with low densities and low melting points.

Is used in home smoke detectors.

Group 14 on the periodic table contains metals, nonmetals, and metalloids.

All radioactive elements are synthetic.

When Mendeleev put elements on the table, elements in the same group had _____________.

Kills bacteria in water