Practice Test for Chapter 1 Activities in Science

1. The prefix for Kilo Means?

1,000

2. The prefix milli- means ____.

1/1000 or.001

3. The correct symbol for the SI unit of temperature is ____.

K

4. The SI unit that is used to measure time is the ____.?

S (seconds)

5. How many meters are there in 35,875 cm?

m = 35,875cm x 1m/100cm m

6. A beaker contains 0.32 L of water. What is the volume of this water in milliliters?

320 ml

14. What state of Matter is A 15. What state of Matter is diagram B 16. What state of matter is diagram C

14. Solid 15. Gas 16. Liquid

17. Define a "standard" as it is used in the term standard measurement.

an exact quantity that people agree to use for comparison

18. Why is a cubic centimeter a derived unit?

Cubic centimeter is a unit of volume, while centimeter is a unit of length; cm 3 is a product of the units for length, width, and height.

19 Sequence the following steps: scientific law, problem, theory, hypothesis, experiment.

problem, hypothesis, experiment, theory, scientific law

20. Arrange each of the following in order from largest to smallest. 1.Centimeter 2.kilometers 3.Meters 4.micrometers 5.millimeters

KilometersMetersCentimetermillimetersmicrometers

Think Sig Figs 21. Calculate the density of a sample of Copper whose mass is 21.5 g and whose volume is 2.42 cm 3. Think Sig Figs

3 21. Calculate the density of a sample of Copper whose mass is 21.5 g and whose volume is 2.42 cm 3 Density = 8.88 g/cm 3

km = _____meter = ________ dm = ___________ cm= ___________mm ?

25 km = 25,000 meter = 250,000 dm = 2,500,000__ cm = 25,000,000_mm

g = _________ kg

0.065 kg

Chapter 2 DescribingMatter

1. In a chemical formula, the number of each type of atom in the compound is shown by numbers called ____.

Subscripts

2. How many Oxygen atoms are present in one molecule of ammonium acetate, NH 4 C 2 HO 3 ?

3

3. What term describes matter that can be physically separated into component parts?

3. Which term describes matter that can be physically separated into component parts? Mixture

5. The boiling point of a pure substance always remains _______

Constant

6. Which of the following formulas represents an ionic compound? a.Kr Bb.N 2 O 4 c.CS 2 d.PCl 3 e.BaI 2

BaI 2

7. What makes an ionic compound?

The combination of a metal And a non metal

9. Which of the following is a heterogeneous mixture? a.airc.steel b.soild.brine (salt water)

Soil

10. Which of the following is a homogeneous mixture? a.beef stewb.soil c.brined.raisin bread e.sand and water

Brine

12. What is a cation?

A cation is a positive charged ion What is a cation?

11.What is the Name of this formula MgCl 2

Magnesium chloride 13. What is the Name of this formula MgCl 2

What do the names of all binary compounds, both ionic and molecular, end in?

IDE What do the names of all binary compounds, both ionic and molecular, end in?

Write the formula aluminum sulfide

Al 2 S Write the formula aluminum sulfide

18. If the name of a compound ends in ide, what kind of a compound is it?

A Binary compound 18. If the name of a compound ends in ide, what kind of a compound is it?

1. In a chemical formula, the number of each type of atom in the compound is shown by numbers called ____.

The End of Practice Test Hope you Had Fun!!!