Chemistry Final Exam Guide (Quizizz)

The study of physical matter and its processes is

• physics
• geology
• chemistry
• biology

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What is a mixture of elements in varying proportions

• Mixture
• Solution
• Compound
• Pure substance

What is a substance made of two or more different elements joined by chemical bonds.

• Solution
• Element
• Mixture
• Compound

Tags

NGSS.HS-PS1-1

What is referred to a group in the periodic table?

• A column of elements with similar chemical properties
• A row of elements with similar chemical properties
• A group of elements with different chemical properties
• A single element with unique properties

What is referred to a period in the periodic table?

• A vertical column of elements
• A horizontal row of elements
• A group of non-metal elements
• A single element in the periodic table

What are the properties of metalloids?

• Metalloids have no unique properties
• Metalloids have properties of only nonmetals
• Metalloids have properties of only metals
• Metalloids have properties of both metals and nonmetals.

What is an example of a homogenous mixture?

• Sand and water
• Mud and water
• Oil and water
• Saltwater or air

Convert 3.10 grams into milligrams

• 3.1
• 3100
• 310
• 31

Calculate the density of the element that has a mass of 25 grams and a volume of 2.1 liters

• 20.5 g/L
• 15.3 g/L
• 11.9 g/L
• 8.7 g/L

What is the difference between accuracy and precision?

• Accuracy refers to the speed of a measured value, while precision refers to the size of the measurement
• Accuracy refers to the closeness of a measured value to a standard or known value, while precision refers to the closeness of two or more measurements to each other.
• Accuracy refers to the distance of a measured value to a standard, while precision refers to the color of the measurement
• Accuracy refers to the weight of a measured value, while precision refers to the shape of the measurement

Tags

NGSS.HS-PS3-1