Basic chemistry #2

The image shows the periodic grid for SODIUM. What is Sodium's atomic number?

• 11

• 12

• 23

• Impossible to tell

The image shows the periodic grid for SODIUM. What is Sodium's atomic mass?

• 11

• 12

• 23

• Impossible to tell

What does the ATOMIC MASS tell us about an atom?

• Protons + Neutrons
• Protons + Electrons
• Neutrons + Electrons

What element will have the most similar physical and chemical properties to the element Sulfur (S)?

(click on the periodic table to expand it!)

• Carbon (C)

• Phosphorous (P)

• Oxygen (O)

• Neon (Ne

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What element will have the most similar physical and chemical properties to the element Bromine (Br)?

(click on the periodic table to expand it!)

• Fluorine (F)

• Carbon (C)

• Krypton (Kr)

• Selenium (Se)

An example of a synthetic substance is:

• Plastic

• Petroleum

• Silicones

The image shows the periodic grid for SODIUM. How many protons are found in a potassium atom?

• 11

• 12

• 23

• Impossible to tell

The image shows the periodic grid for SODIUM. How many electrons are found in a potassium atom?

• 11

• 12

• 23

• Impossible to tell

The image shows the periodic grid for SODIUM. How many neutrons are found in a potassium atom?

• 11

• 12

• 23

• Impossible to tell

Is the calcium molecule (in blue) oxidized or reduced in the following reaction?

2 CaO--> 2 Ca + O₂

• Oxidized

• Reduced