Periodic Table

The total number of protons and neutrons in an atom's nucleus is equal to the:

• Atomic number

• Atomic mass

• Number of valence electrons

• Number of electron shells

The number of electron shells an atom has is equal to the element's:

• Period number

• Group number

• Valence number

• Atomic number

A(n) _______________________ cannot be broken down into any other substance.

• mixture

• atom

• element

• compound

Fe is the ___________________ for iron

• atomic number

• chemical symbol

• atomic mass

• protons

It is the number of ________________ that distinguish one element from another.

• Protons

• Neutrons

• Electrons

• Atomic Mass

What element contains 53 protons?

• Manganese

• Iodine

• Palladium

Calcium has ____________________________

• 10 protons, 20 neutrons and 20 electrons

• 30 protons, 20 neutrons and 20 electrons

• 20 protons, 20 neutrons and 20 electrons

• 40 protons, 40 neutrons and 20 electrons

Tags

NGSS.MS-PS1-1

are the horizontal rows on the periodic table.

• Periods

• Groups

• Families

• All of the above

are the vertical columns on the periodic table.

• Periods

• Groups

• Rows

• All of the above

The number of protons and number of electrons is an elements _________________.

• Atomic Mass

• Neutrons

• Valence Shells

• Atomic Number