Periodic Table

Symbols

100

He

Helium

200

Ne

Neon

300

Cl

Chlorine

400

Mg

Magnesium

500

Na

Sodium

Element Names

100

Carbon

C

200

Hydrogen

H

300

Phosphorus

P

400

Boron

B

500

Flourine

F

Trivia

100

What are the horizontal rows of the periodic table called?

Periods

200

What are the vertical rows of the periodic table called?

Groups (or families)

300

How many electron levels does argon have?

3

400

How many valence electrons does Lithium have?

1

500

The average of protons and neutrons together is called?

Atomic Mass

Atomic Mass

100

Which element has the atomic mass of 28.086?

Silicon

200

Which element has the atomic mass of 9.0122?

Beryllium

300

What is the atomic mass of Nitrogen?

14.007

400

What is the atomic mass of Hydrogen?

1.0079

500

What is the atomic mass of Sodium and Neon added together?

43.17

Protons, Neutrons, Electrons

100

How many electrons can be in the first energy level?

2

200

What does the nucleus include?

Protons and Neutrons

300

What does the atomic number tell you the amount of?

Protons AND electrons

400

What do you need to know to find the neutrons in an atom?

Number of protons (atomic number) and the atomic mass

500

Atoms with a different number of neutrons compared to protons and electrons is called what?

Isotope