Leveling activity - science - the periodic table structure

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4

What charge do electrons have?

• Positive

• Neutral

• Negative

Which two particles are contained in the nucleus of an atom?

• Protons and Neutrons

• Protons and Electrons

• Electrons and Neutrons

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

What is the electron configuration for this atom?

• 1s²2s²2p⁶
• 1s²2s²2p⁵
• 1s²2s²2p³
• 2s²2p³

The tiny particles that make up all matter are called

• genes

• atoms

• minerals

• cells

Which model is used by scientists to determine the properties of elements?

• a Punnett square

• the Periodic Table

• a pedigree chart

• the rock cycle

In which group of the Periodic Table of the Elements are the noble gases located?

• 1

• 7

• 10

• 18

The period number tells you the number of

• protons

• energy levels

• valence electrons

Each column of the periodic table is

• an element.

• a group.

• an isotope.

• a period.