Periodic Table

Which of the following statements is true of the periodic table?

• It is based on nucleon number.

• The elements are divided into five blocks.

• There are eight groups in the periodic table.

• There are seven periods in the periodic table.

What is valence electron?

• electron in the second electron shell

• electron in the outermost electron shell

• The atomic number

• An electron in the innermost electron shell

Elements in the same period have the same number of

• neutrons

• valence electrons

• electrons

• electron shells

What group number are the Halogens?

• 18

• 1

• 2

• 17

An element with a proton number of 8 belong to..

• s block

• p block

• d block

• f block

As you move down the group atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons

As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.
• the atoms have less mass
• the atoms have more protons.
• the atoms have less electrons.

As you go down the Periodic Table, the ______ increases.

• proton number

• shielding effect

• effective nuclear charge

• eletronegativity