Unit 3 Quiz!: Atoms and The Periodic Table

Who is credited with discovering the positively charged nucleus?

How many neutrons are in Fluorine?

Tell me the number of orbitals in Sulfur.

How many electrons are in Carbon?

Atoms of the same element that have a different number of neutrons are called ____________.

Carbon-13 and Carbon-14 (differing number of neutrons) are examples of _______________ for the carbon element.

Tell me the number of valence electrons in Calcium.

Who is credited with discovering the electron?

The sum of the number of protons and neutrons inside the nucleus is called the __________.

Which subatomic particles are located inside the nucelus of an atom?

Do you have your Periodic Table out and ready to use?

Tell me the number of neutrons in the isotope O-18.

Which of the following is the formula to find the number of neutrons?

Which listing below shows the proper charges of the subatomic particles?

Elements on the modern periodic table are arranged according to their _________.

Group 1 elements are also called ____________.

A row (1-7) on the periodic table is also called a ________.

Group 2 elements are called which of the following?

A column (1-18) on the periodic table can also be called a ________ or a ___________.

Elements in group 17 are called ____________.

Atomic number is_____ and the average atomic mass is ____.

Who organized the first periodic table based the elements' atomic masses?

Elements in groups 3 - 12 are called ___________.

Elements that have chemical and physical properities of both metals and nonmetals are _____.

The number of protons an atom contains is identified by the ____ ____ on the periodic table.

Who is credited with discovering the neutron?

Tell me the number of protons in Aluminum.