Chemistry Midterm #1 Review

Multiple Choice

where are the metals located on the pictured periodic table

• pink

• green

• blue

• none

Multiple Choice

Groups on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Multiple Choice

Periods on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Multiple Choice

Who is credited with creating the first periodic table?

• Gregor Mendel

• Dmitri Mendeleev

• Charles Darwin

• Mrs. Hayes

Multiple Choice

True or False: a physical change may produce a new substance.

• True
• False

Multiple Choice

Which of the following is an example of a physical change?

• sugar and oxygen reacting to produce water and carbon dioxide
• honey dissolving in tea
• a raw egg being cooked
• metal rusting after being left out in the rain

Multiple Choice

A physical change can sometimes result in a color change. Which of the following situations show this?

• Milk turns yellow when it spoils.
• Dough becomes darker when it is baked into cake.
• A red candy dissolves and turns water pink.
• A match turns black when it is burned.

Multiple Choice

A change in the size, shape, or state of matter.

• chemical change
• physical change

Multiple Choice

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

Multiple Choice

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 0.00043756

• 43,756

• 4,3756

Multiple Choice

How do you write

8.317 x 10⁶

in standard form?

• 8, 371, 000

• 83, 170, 000

• 837, 100

• 8, 317, 000

Multiple Choice

Used to hold and/or mix solid and liquid materials

• beaker

• graduated cylinder

• test tube

• erlenmyer flask

Multiple Choice

Used to measure specific volume of liquid

• beaker

• graduated cylinder

• test tube

• erlenmyer flask

Multiple Choice

Used to mix different chemicals

• beaker

• graduated cyclinder

• test tube

• erlenmyer flask

Multiple Choice

A bowl and club used for grinding

• erlenmyer flask

• test tube

• mortar and pestle

• petri dish

Multiple Choice

Used to transfer small amounts of solids

• pipette

• scoopula

• thermometer

• pestle

Multiple Choice

The quantity of heat needed to raise the temperature of 1 g of water by 1 °C

• Calorimeter

• Calorie

• Joule

• Specific heat

• Enthalpy

Multiple Choice

SI unit of energy

• Calorimeter

• Calorie

• Joule

• Enthalpy

• Specific heat

Multiple Choice

When your body breaks down sugars and fats to form carbon dioxide and water, these exothermic reactions generate __________.

• calories

• joules

• heat

• watts

Multiple Choice

7,000 milligrams = _____ grams

• 7
• 70
• 700
• 70,000

Multiple Choice

The metric base unit for mass is the

• gram

• liter

• meter

• seconds

Multiple Choice

4 meter = __ centimeter

• 4 centimeters
• 400 centimeters
• 40 millimeters

Multiple Choice

where are the metalloids located on the pictured periodic table

• pink

• green

• blue

• none

Multiple Choice

where are the nonmetals located on the pictured periodic table

• pink

• green

• blue

• none

Fill in the Blank

_________ are ductile, shiny, good conductors, malleable

Fill in the Blank

____________ are dull, poor conductors

Fill in the Blank

_________ have properties of both metals and nonmetals and make good semiconductors

Multiple Choice

Which element has the same number of valence electrons as Sulfur, S

• Li

• Ca

• Ge

• Te

Multiple Choice

Which element is in the same group/family as Magnesium?

• Ca

• O

• At

• N

Multiple Choice

Which element is in the same period as Sulfur, S

• Mg

• F

• Cs

• Se

Multiple Choice

How many significant figures: 2016 m

• 1
• 2
• 3
• 4

Multiple Choice

How many significant figures: 153.0 mL

• 1
• 2
• 3
• 4

Multiple Choice

How many significant figures: 0.012 km

• 1
• 2
• 3
• 4

Multiple Choice

How many significant figures: 1000 mL

• 1
• 2
• 3
• 4

Multiple Choice

Solve and give your answer with the correct number of significant figures
(12.470)(271)

• 3366.9
• 3.37x10³
• 3400
• 3370

Multiple Choice

Solve and give your answer with the correct number of significant figures
24.28 + 12.5

• 3.687 x 10¹
• 36.8
• 37
• 3.70x10¹

Multiple Choice

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Multiple Choice

This bullseye demonstrates...

• High Accuracy & High Precision
• High Accuracy & Low Precision
• Low Accuracy & High Precision
• Low Accuracy & Low Precision

Multiple Choice

Describe the accuracy and precision of the image

• Accurate and Precise
• Accurate and not precise
• Not Accurate and Precise
• not accurate and not precise

Multiple Choice

A set of data are all close to each other, but they are not close to the actual value.  This set of data can be described as...

• accurate
• precise
• both precise and accurate

Multiple Choice

Measurements: 2.5, 14.5, 10.1, 45.3

True Value: 25.0

These measurements are…

• Accurate, but not precise

• Precise, but not accurate

• Both precise and accurate

• Neither precise nor accurate

Multiple Choice

WHAT IS THE VOLUME?

• 36

• 36.5

• 37.0

• 36.0