Periodic Table and Elements

Front

How many elements are in the formula NaFeHCl?

Back

4

Tags

NGSS.MS-PS1-1

Front

The periodic table is organized in columns called ______ and rows called ______.

Back

Groups, Periods

Front

Which symbol represents the element for Sodium?

Back

Na

Front

Where are valence electrons found?

Back

On the outer shell; or on the very last energy level

Front

What are protons?

Back

Positively charged subatomic particles

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What are neutrons?

Back

Neutrons are neutral subatomic particles found in the nucleus of an atom.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number and properties, helping to predict their behavior.

Tags

NGSS.HS-PS1-1

Front

What are electrons?

Back

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom.

Tags

NGSS.MS-PS2-3