DeClue Review 1

Multiple Choice

All matter is made of _________.

• energy 
• atoms 
• electrons 
• compounds 

Multiple Choice

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

Multiple Choice

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Multiple Choice

A proton has a ___________ charge.

• positive

• negative

• neutral

• massive.

Multiple Choice

An electron has a _________ charge

• positive

• neutral

• negative

• massive

Multiple Select

Which TWO of the following subatomic particles are inside the nucleus?

• protons

• electrons

• neutrons

• There are no subatomic particles in the nucleus of an atom.

Multiple Choice

How many atoms of Hydrogen are in H₂O

• 1

• 2

• 3

• more than 3

Multiple Choice

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Multiple Choice

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Multiple Choice

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Multiple Choice

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Multiple Choice

________ are the COLUMNS on the periodic table and are organized by similar properties.

• Classifications
• Groups
• Periods
• Elements

Multiple Choice

What is the chemical symbol for the element Fluorine

• F
• Fl
• Flu
• f

Multiple Choice

What is the chemical symbol for the element Iodine

• I
• Io
• Id
• In

Multiple Choice

Aluminum

• A

• Al

• Am

• Au

Multiple Choice

Classify the picture with the correct label.

• Element

• Compound

• black and white circles

• Buch of circles

Multiple Choice

Classify the picture with the correct label.

• Element

• Compound

• Mixture

• Solution

Multiple Choice

I am iron oxide (FeO), also known as rust. What am I?

• A solution

• An element

• A mixture

• A compound

Multiple Choice

Which model shows an element?

• Model 1

• Model 2

• Model 3

• Model 4

Multiple Choice

Classify the picture with the correct label.

• Element
• Compound
• Mixture of Elements and Compounds
• Mixture of Elements

Multiple Choice

Classify the picture with the correct label.

• Element
• Compound
• Mixture of Compounds
• Mixture of Elements

Multiple Choice

Compounds are different than elements because compounds are -

• A combination of two or more elements.
• 
  B)not able to be broken down into parts
• made from the same type of atoms
  
• a pure substance, elements are not
  

Multiple Choice

What is a liquid?

• matter than has a definite shape and definite volume

• matter that has an indefinite shape and indefinite volume

• matter that has a indefinite shape and definite volume

• matter that has definite shape and indefinite volume

Multiple Choice

State of matter with no definite shape or volume.

• solid
• liquid
• gas
• Mississippi

Multiple Choice

What state of matter does the picture best describe?

• Solid
• Liquid
• Gas

Multiple Choice

If the tops were removed from the cylinders, the following would happen:

• The solid would fly out of the container
• The liquid would fly out of the container.
• The gas would fly out of the container.
• They ALL would fly out of the container.

Multiple Choice

What do we call the chemicals that result from a chemical reaction?

• reactants

• products

• subscripts

• coefficients

Multiple Choice

The Law of Conservation of Mass says that matter can neither be __________ or __________.

• created; destroyed

• recycled; renewed

• subtracted; added

• joined; separated

Multiple Choice

Which of the following describes a chemical reaction?

• Oxygen interacts with iron to form rust

• Ice melts into water

• Carbon dioxide freezes to make dry ice

• Rocks split apart over many years due to weathering

Multiple Choice

What is the name of the substances that participate in a chemical reaction?

• products
• reactants
• catalysts
• intermediates

Multiple Choice

Evidence of a chemical reactions is anything that shows - 

• a new substance has formed
• a solid dissolved in a liquid
• interaction between 2 gases
• a change in the state of matter

Multiple Choice

Which observation(s) might be used as evidence that a chemical reaction occurred?

• Color change
• Odor change
• Properties change
• All of the above

Multiple Choice

Which diagram shows the MOST dense object?

• left

• center

• right

Multiple Choice

Rank the objects from MOST dense to LEAST dense.

• left, center, right

• right, center, left

• left, right, center

• right, left, center

• center, left, right

Multiple Choice

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2