Periodic Table

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

How can you determine the number of protons in an atom?

Back

The number of protons in an atom is equal to its atomic number.

Front

If an atom has 5 electrons and 5 protons, what is its atomic number?

Back

5

Tags

NGSS.MS-PS1-1

Front

What does the atomic number tell us about an element?

Back

It tells us the number of protons in the element.

Front

If an element has an atomic number of 11, how many protons does it have?

Back

11

Front

What is the relationship between atomic number and neutrons?

Back

The atomic number does not indicate the number of neutrons; neutrons are calculated by subtracting the atomic number from the atomic mass.

Front

How many neutrons are in Fluorine (atomic number 9, atomic mass 19)?

Back

10

Front

Where are most metals located on the periodic table?

Back

Most metals are located on the left side and in the middle of the periodic table.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Tags

NGSS.HS-PS1-1

Front

What are groups in the periodic table?

Back

Groups are vertical columns in the periodic table that contain elements with similar chemical properties.