Unit 2 Study Guide

Unit 2 Study Guide

Formation ?

• Development

• Arrangement

• forming

Multiple Choice

A combination of 2 or more elements that are chemically combined.

• elements

• compounds

• Mixtures

Multiple Choice

This picture represents part of the Periodic Table. "Au" is called the elements' chemical -

• Formula

• Name

• Symbol

• Compound

Multiple Choice

How many elements are in the substance C₆H₁₂O₆ ?

• 2

• 3

• 4

• 5

Multiple Choice

How many elements are in the substance Fe₂O₃

• 0

• 1

• 2

• 3

Multiple Choice

Which of the following choices is a compound?

• Na

• O₂

• H₂O

• H

Fill in the Blank

H₂O is the chemical formula for

Multiple Choice

Water is a

• element

• compound

Indicate?

• show

• specify

• 
  

Multiple Select

Which of the following are indications that a new substance has formed?

• the volume increases

• bubbles and fizzing

• substance breaks in half

• dissolves

• the temperature decreases or increases

Multiple Choice

All chemical reactions

• produce a precipitate

• change color or smell

• change temperature

• produce a gas

• form a new substance

Granular?

• Powder

• grainy

• sandy