IS Unit 2 Review

Front

What are the vertical columns in the Periodic Table called?

Back

Groups

Front

In which period is Sodium (Na) found?

Back

3

Front

What is the small, dense region at the center of an atom consisting of protons and neutrons?

Back

Nucleus

Front

How many protons are in an atom of Carbon?

Back

6

Front

How many electrons does Silicon (Si) contain?

Back

14

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the Periodic Table?

Back

It organizes elements based on their atomic number and properties.

Front

What are periods in the Periodic Table?

Back

Horizontal rows that indicate the number of electron shells.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What are neutrons?

Back

Subatomic particles found in the nucleus of an atom with no charge.