Physical Science SPS 1: Atoms and The Periodic Table- Flashcard

Front

How do you calculate the number of neutrons in an atom?

Back

Mass number - atomic number

Front

Which of these would not bond with other elements?

Back

Helium

Front

This class of elements are sometimes called 'semiconductors.'

Back

Metalloids

Front

Rows (across) on the periodic table are called _____ while columns (down) are called _____.

Back

Periods, Groups

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number and properties.

Front

What are noble gases?

Back

Elements in Group 18 of the periodic table that are inert and do not readily bond with other elements.

Front

What is an ion?

Back

An atom or molecule that has gained or lost one or more electrons, resulting in a charge.