History and Organization of the Periodic Table Quiz Review

The periodic table is organized by the number of ______ in each element's nucleus

• neutrons
• protons
• electrons
• atoms

Tags

NGSS.HS-PS1-8

What property did Menedleev use to organize his first periodic table?

• atomic number
• atomic mass
• alphabetical order
• chemical properties

Why were there blank spaces left in Mendeleev's periodic table?                                              

• He didn't know what to put there.
•  Undiscovered elements not yet known.
• Multiple elements could have fit
• He forgot to add the elements in.

In the modern periodic table elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Where are the metals on the Periodic Table?

• To the left
• In the upper right hand corner
• On the zigzag line
• At the bottom

Where are the nonmetals on the Periodic Table?

• To the left
• In the upper right hand corner
• On the zigzag line
• At the bottom

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive cation

• negative cation

• neutral

• positive anion

When an atom gains a valence electron, it becomes a(n) _____________ ion.

• positive cation

• negative anion

• neutral

• positive anion

If an element has 3 valence electrons, what charge will likely form on its ion ?  Hint:  It will lose those electrons.  What happens to the charge when it loses 3 electrons?

• +3
• +5
• -3
• -5

Tags

NGSS.HS-PS1-1

What charge is an ion of calcium likely to have?

• +1

• +2

• -1

• -2