Midterm Exam review

H₂SO₄

• Element

• Compound

Chemical symbol of Oxygen

• Ox

• Oy

• O

• o

Chemical Symbol of Calcium

• Na

• C

• Ca

• ca

m = 45 g ; v = 15 cm³ ; d = ?

• 3 g

• 3 cm³

• 3 cm³/g

• 3 g/cm³

Oxygen

• Element

• Compound

NaCl

• Element

• Compound

The density of the cube of sugar is 1.6 cm³ and weighing 12.8 grams, what is its volume?

• 1.6 g

• 1.6 cm³

• 1.6 g/cm³

• 1.6 cm³/g

Helium

• Element

• Compound

Chemical Symbol of Nitrogen

• Ni

• N

• Na

• Nt

How many protons?

• 65

• 35

• 30

• 95