Intro To Periodic Table Practice

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6

Vertical (up and down) columns in the periodic table are called _________ of elements and have similar properties. 

• groups
• periods

The horizontal (left to right) rows on the periodic table are known as

• periods.
• atoms.
• groups or families.
• valence electrons.

What is the chemical symbol for the element Carbon

• ca
• co2
• C
• Cd

  Horizontal rows of periodic table are called:  

• lines
• families
• groups
• periods

1.  Vertical columns of the periodic table are called

• rows
• groups
• periods 
• atoms

Are there any compounds on the periodic table 

• yes there are many 
• no because only elements are on the periodic table
• I think they are?

Tags

NGSS.MS-PS1-1

• Metals
• Nonmetals
• Metalloids

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1