Science 7 Periodic Table of Elements

What is the symbol for potassium on the periodic table?

• P

• Po

• K

• Pt

Magnesium chemical symbol is

• P

• O

• Mg

• He

P represent what chemical element

• Potassium

• Phosphorus

• Calcium

• Beryllium

What is the atomic number of Hydrogen?

• 2

• 1

• 6

• 10

Chemical symbol for the element Krypton

• B

• Ar

• Kr

• K

Cs stands for what chemical element?

• Carbon

• Cesium

• Cadium

• Selenium

How many is the total number of elements in the periodic table?

• 120

• 118

• 115

• 116

What is the atomic number of carbon?

• 7

• 12

• 24

• 6

Chemical symbol for Gold

• Ag

• Ar

• As

• Au

In the periodic table elements are arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes