Element Basics
Groups & Families
Atomic Structure
100

This is the chemical symbol for oxygen.

What is O?

100

Elements in the same column are part of the same ____.

What is a group or family?

100

Subatomic particles with positive charges.

What are Protons

200

This element has the atomic number 1.

What is hydrogen?

200

This family of elements is located in Group 1 and is very reactive with water

What are alkali metals?

200

Particles found in the nucleus that have no charge.

What are Neutrons

300

These are the tiny particles found in atoms that include protons, neutrons, and ____.

What are electrons?

300

The elements in Group 18 are known for being nonreactive.

What are noble gases?

300

Electrons orbit the nucleus in these areas according to Niels Bohr.

what are electron shells and energy levels

400

The number of protons in an atom is also known as this.

What is the atomic number?

400

Elements in this group are also called halogens.

What is Group 17?

400

If an atom has 6 protons, 6 neutrons, and 6 electrons, its approximate mass is. . .

What is 12

500

This is the term for a horizontal row in the periodic table.

What is a period?

500

This element is in the same family as oxygen and has the atomic number 16.

What is sulfur?

500

Isotopes of the same element differ in the number of these particles.

What are Nutrons