Science Quiz

Which name/formula combination is WRONG?

• acetate ion / C₂H₃O₂⁻

• nitrogen dioxide / NO₂

• phosphoric acid / H₃PO₄

• sulfuric acid / H₂SO₄

• Calcium di Nitrate/ Ca (NO₃)₂

The SI prefixes milli and mega represent, respectively:

• 10⁶ and 10⁻⁶

• 10⁻³ and 10⁶

• 10³ and 10⁻⁶

• 10⁻³ and 10⁹

• 10⁻⁶ and 10⁻³

What is the volume in milliliters of a 32.0 oz can of juice? (1 fl oz = 29.6 mL)

• 1.08 mL

• 947 mL

• 0.925 mL

• 0.95 mL

• 1.1 mL

How many mm³ are in 16.7 cm³?

• 1.67 x 10⁻⁵ mm³

• 1.67 x 10⁸ mm³

• 1.67 x 10⁷ mm³

• 1.67 x 10⁴ mm³

• 1.67 x 10⁴ mm³

The result of (3.8621 × 1.5630) - 5.98 is properly written as:

• 0.06

• 0.056

• 0.0565

• 0.05646

• 0.056462

If the temperature is 38°F then what is the temperature in Kelvin?

• 3.33 K

• 100.4 K

• 276.5 K

• 311.15 K

• 235.15 K

The number 1.050 has how many significant figures?

• 2

• 3

• 4

• 9

• 13

Rutherford's experiment with alpha particle scattering by gold foil established that

• protons are not evenly distributed throughout an atom.

• electrons have a negative charge.

• electrons have a positive charge.

• atoms are made of protons, neutrons, and electrons.

• protons are 1840 times heavier than electrons.

An oxide ion, O²⁻, has:

• 8 protons and 10 electrons

• 10 protons and 8 electrons

• 8 protons and 9 electrons

• 8 protons and 7 electrons

• 10 protons and 7 electrons

Which of the following is a non-metal?