Atomic Structure and Periodic Table

Front

What is the atomic structure of an atom?

Back

An atom consists of a nucleus containing protons and neutrons, surrounded by electrons in orbitals.

Tags

NGSS.MS-PS1-1

Front

How many protons does Chlorine (Cl) have?

Back

Chlorine has 17 protons.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is the significance of the atomic number?

Back

The atomic number indicates the number of protons in an atom and determines the element's identity.

Front

What are the main categories of elements on the periodic table?

Back

Elements are categorized as metals, nonmetals, and metalloids.

Front

Where are metals located on the periodic table?

Back

Metals are located on the left side of the zig-zag line on the periodic table.

Front

What are isotopes?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

Tags

NGSS.HS-PS1-8

Front

What is the relative mass of a neutron?

Back

The relative mass of a neutron is approximately 1.