Periodic Table of Elements

What is the chemical symbol for Calcium?

• C
• Ca
• Cal

What is the chemical symbol for Carbon?

• C
• Ca
• Car

What is the chemical symbol for Nitrogen?

• N
• Ni
• No

What is the chemical symbol for Oxygen?

• O
• Ox
• Oy

What does the chemical symbol Au stand for?

• Gold
• Silver

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

• groups
• periods

Tags

NGSS.HS-PS1-1

One physical characteristic of metals is...

• Luster (shine)
• Weight
• All are gases. 

_________are not good conductors of heat or electricity.

• Metals
• Metalloids
• Nonmetals

Tags

NGSS.HS-PS2-5

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

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

Tags

NGSS.HS-PS1-1

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

Tags

NGSS.HS-PS1-8