Elements and the Periodic Table

"C" is the element symbol for which element?

• calcium
• carbon
• chlorine
• cadmium

What is the atomic symbol for sodium?

• Na
• So
• NaCl
• S

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.HS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Tags

NGSS.HS-PS1-1

• Periods
• Groups

• Periods
• Groups

• energy levels
• valence electrons
• protons
• neutrons

• energy levels
• valence electrons
• protons
• neutrons

Tags

NGSS.HS-PS1-1

• Same group
• Same period

• Group 1
• Group 17
• Group 2
• Group 18