Chemistry Sol

O is the correct chemical symbol for oxygen.

• True

• False

The Periodic Table contains all of the following except

• atomic number

• chemical symbol.

• atomic mass

• chemical formula.

In which direction do periods go on the Periodic Table?

• up and down

• across the table

• from the corners

• down

Most of the elements on the Periodic Table are metals.

• True

• false

In the modern Periodic Table, elements are arranged

• according to atomic mass.

• according to atomic number.

• in alphabetical order.

• according to the number of neutrons in their nuclei.

The Periodic Table has 7 groups.

• True

• False

What is Cu?

• Copper

• Zinc

• Iron

• carmel

The Modern Periodic Table of Elements is arranged by

• atomic mass

• atomic number

• valence electrons

• number of isotopes

The atomic number tells you what?  READ THE ANSWERS CAREFULLY

• only the number of electrons

•  only the number of protons

• only the number of neutrons

• the number of both electrons and protons in an atom.

What does the atomic mass tell you? 

• Basically,the number of electrons and protons

• The number of neutrons

• Basically, the number of protons and neutrons

• The number of protons.