Element Symbol
H
2
Helium
What comes after Hydrogen on the Periodic Table?
Helium
What is the symbol of Beryllium?
Be
O
Oxygen
5
Boron
What are the 2 subatomic particles found in the nucleus of an atom?
Protons and Neutrons
What is the symbol for Calcium?
Ca
Ne
Neon
20
Calcium
How many elements are there in the periodic table?
118
What is the atomic number and symbol for Carbon?
6, C
K
Potassium
9
Fluorine
Fill in the elements in correct order: Aluminum, _______, Phosphorus, ______, Chlorine
Silicon, Sulfur
What is the atomic number and symbol for Magnesium?
12, Mg
Na and Ar
Sodium and Argon
16 and 17
Sulfur and Chlorine
Write the 5 symbols for the first 5 elements on the Periodic Table in order.
H, He, Li, Be, B
What is the atomic number and symbol for Nitrogen, Oxygen and Fluorine in order?
Nitrogen - 7, N
Oxygen - 8, O
Fluorine - 9, F