Chapter 6 Period Table Test USR

Front

How is the modern periodic table arranged?

Back

The modern periodic table is arranged by increasing atomic number.

Front

What element has the largest atom size?

Back

Cesium (Cs) has the largest atom size.

Front

What are the trends for ionic radius going across and down the periodic table?

Back

Ionic radius decreases across a period and increases down a group.

Front

Most elements on the periodic table are _________________?

Back

Most elements on the periodic table are metals.

Front

Which element has the lower ionization energy – sodium or phosphorus?

Back

Sodium has the lower ionization energy.

Front

What is the atomic number of an element?

Back

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

Front

What is the significance of the periodic law?

Back

The periodic law states that the properties of elements are a periodic function of their atomic numbers.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom.

Front

What is the trend of electronegativity in the periodic table?

Back

Electronegativity increases across a period and decreases down a group.