VP #1: The Periodic Table Explained

Each box represents an _________________.

The atomic number represents the number of ______________ in the nucleus of the atom.

What does the symbol 'H' represent on the periodic table?

• Oxygen

• Hydrogen

• Helium

• Carbon

The color coding in the periodic table indicates whether the element is a _________ or a ____________.

• large atom or a small atom.

• solid or a gas.

• metal or a nonmetal.

• halogen or a lanthanoid.

What do the columns in the periodic table represent?

• Elements

• Periods

• Groups

• Rows

What do elements in the same group have in common?

• Same number of electron shells

• Same atomic mass

• Same number of valence electrons

• Same atomic number

As you move down the rows, the number of electron shells will

• stay the same.

• change.

• increase.

• decrease.

Knowing the atomic structure of elements help scientists know how they will ___________.

Tags

NGSS.MS-PS1-1

As you move down a group in the periodic table, what happens to the atomic radius?

• It decreases

• It stays the same

• It increases

• It disappears

What happens to ionization energy as you move from left to right across a period?

• It decreases

• It increases

• It stays the same

• It becomes zero

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2