Properties of Atoms and the Periodic Table

Front

Who was the first to organize the elements into a periodic table?

Back

Dmitri Mendeleeve

Front

How did Moseley arrange the periodic table?

Back

by the atomic number

Front

Does Neon belong in Group 11?

Back

No

Front

Magnesium has 12 electrons. In how many energy levels are the electrons of magnesium?

Back

3 energy levels

Front

How many electrons would fluorine need to gain in order to have a stable outer energy level?

Back

1 electron

Front

What do all elements in a group have in common?

Back

same number of electrons in outershells

Front

What happens to the one electron in the outer level of sodium when it combines with chlorine?

Back

It loses an electron to chlorine.

Front

Silicon conducts electricity only under certain conditions. Which region does silicon belong in?

Back

metalloids

Front

Which side of the periodic table would you look for an element that definitely will not conduct electricity?

Back

right side

Front

Electron dot diagram

Back

Symbol of element with dots representing the electrons in the outer shell