Fall Final Review Periodic Table, Atomic Models

Front

What is the period number for Bromine (Br) on the periodic table?

Back

4

Front

How many valence electrons does Sodium (Na) have?

Back

1

Front

What element is represented in a Bohr Model with 3 electrons in the first shell and 1 in the second?

Back

Lithium (Li)

Front

What is true about elements in group 2 of the periodic table?

Back

They have 2 valence electrons.

Front

What is the term for the time required for half of a parent isotope to decay into daughter isotopes?

Back

Half-life

Front

What is the atomic number of Carbon (C)?

Back

6

Front

What is the definition of an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the main difference between metals and nonmetals on the periodic table?

Back

Metals are good conductors of heat and electricity, while nonmetals are not.

Front

What is the charge of an electron?

Back

-1

Front

What is the maximum number of electrons in the second energy level?

Back

8