Unit 5 Lesson 12: Using the Periodic Table - Exit Ticket

The horizontal rows on the periodic table are called

• groups

• families

• periods

• atomic numbers

Each vertical column on the periodic table is called a...

• group

• tower

• period

• crew

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NGSS.MS-PS1-1

In each square of the periodic table, the number at the bottom is the:

• atomic number

• atomic mass

• chemical symbol

• element name

The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

Tags

NGSS.MS-PS1-1

An element's identity is determined by the number of

• electrons.
• protons.
• neutrons.
• valence.

The atomic number is the

• average mass of the element

• number of protons an element has

• number of valence electrons an element has

• group and period an element belongs to

Tags

NGSS.MS-PS1-1

Electrons...

• are found in the nucleus

• give us the atomic number of an element

• are how we identify each elements

• have a negative charge

Tags

NGSS.MS-PS1-1

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

What do the blue and red spheres represent in this model of an atomic nucleus?

• Gluons and leptons
• Protons and neutrons
• Positrons and electrons
• Atoms and molecules