Week 2 1. Identify the correct way to write in scientific notation

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Presentation transcript:

Week 2 1. Identify the correct way to write 0.00542 in scientific notation 5.42 X 10-3 C. 5.42 X 102 5.42 X 10-4 D. 5.42 X 103 2. Joseph measures out 25 mL of distilled water for his chemistry experiment. How many liters of water is this? 0.25 L 0.025 L 2.5 L 2.5 x 10-3 L

3. Which is the metric unit for measuring mass? foot c. kilogram pound d. ounce 4. A lizard has a mass of 0.98 grams. What is the mass of the lizard in milligrams? .00098 mg 9.80 mg 98 mg 980 mg

5. Graduated cylinders are marked in units of Grams c. Millimeters Meters d. Milliliters 6. A teacher gives a student a metal bar. The teacher asks the student to calculate the bar’s volume using the formula V = l x w x h. The bar is 3.5 cm long, 10 mm high, and 2.0 cm wide. What is the volume of the bar in cm3? 0.7 cm3 7 cm3 70 cm3 700 cm3

7. Which property of matter is determined by measuring the pull of gravity on a sample of matter? Weight C. Volume Mass D. Acceleration 8. Which of the following represents a quantitative statement about the mass of an object? The object is heavier than wood The mass of the object is 23.5 grams The object’s mass indicates that it has a high density A balance can be used to quantitatively determine the mass of an object.

9. Which subatomic particles are found in the nucleus of an atom? Protons and electrons Electrons and neutrons Protons and neutrons Protons, neutrons, and electrons 10. The number of protons in a neutral atom is equal to the number of Electrons Neutrons Ions isotopes