Elements, Compounds and Mixtures

Multiple Choice

To break down an element further, a _________ is required.

• nuclear reaction

• chemical change

• physical change

• electron transfer

Multiple Choice

Which letter is pointing to the nucleus of the atom?

• A

• B

• C

• D

Multiple Choice

Which letter is pointing to an electron in the atom?

• A

• B

• C

• D

Multiple Choice

I am positively charged and located in the nucleus of an atom. What am I?

• proton

• neutron

• electron

• photon

Multiple Choice

What is the Atomic number of this atom?

• 2

• 4

• 6

Multiple Choice

What is the atomic mass of this atom?

• 2

• 4

• 6

Multiple Choice

How many naturally occurring elements are there?

• 118

• 92

• 5

• 75

Multiple Choice

Atomic number is based on the number of _______in an atom

• protons

• neutrons

• electrons

• elements

Multiple Choice

Most of the elements on the periodic table are:

• Metals

• Metalloids

• Nonmetals

• Semi-metal

Multiple Choice

What is the most common state of matter of non-metals

• Solid

• Liquid

• Gas

• Ionic

Multiple Choice

Which of the following is NOT an example of a metalloid?

• Boron

• Silicon

• Germanian

• Mercury

Multiple Choice

Compounds are formed as a result of a :

• Nuclear Reaction

• Physical Change

• Chemical Change

• Proton shift

Multiple Choice

How many total atoms are in one molecule of Ammonia (NH₃)

• 1

• 2

• 3

• 4

Multiple Choice

How many Carbon atoms are found in one molecule of Butane (C₄H₁₀)

• 4

• 14

• 40

• 410

Multiple Choice

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Multiple Choice

Element or compound?
H₂O

• element
• compound

Multiple Choice

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

Multiple Choice

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Multiple Choice

This picture represents which of the following?

• element
• compound
• mixture
• atom

Multiple Choice

Which of the following is a homogeneous mixture?

• sand in a bottle

• lemonade

• Mercury

• salad

Multiple Choice

This substance can be separated by physical means such as filtering, sifting, and evaporating.

• Mixtures

• Pure Substances

• Elements

• Compounds

Multiple Choice

What kind of mixture is shown in the picture?

• Homogeneous Mixture

• Heterogeneous Mixture

Multiple Choice

If brewed a pot of coffee that tasted very watery, my solution would be considered__________

• Compact

• inverted

• dilute

• suspended

Multiple Select

Identify which images are HETEROGENEOUS MIXTURES! (Check all that apply)

Multiple Choice

Oil in water is what type of mixture

• heterogeneous

• homogeneous

Multiple Choice

What does it mean if a mixture is heterogeneous?

• you can see the different parts
• cannot tell one part from another
• very well blended
• made of elements

Multiple Choice

In this beaker there is some sand floating in water, but most of the sand has settled at the bottom. This would be best described as

• A solution

• A colloid

• A suspension

• A compound

Multiple Choice

Vinegar

• Colloid

• Suspension

• Solution

Multiple Choice

Fog

• Colloid

• Suspension

• Solution

Multiple Choice

Seltzer-Water

• Colloid

• Suspension

• Solution

Multiple Choice

Muddy Water

• Colloid

• Suspension

• Solution

Multiple Choice

Kool Aid

• Colloid

• Suspension

• Solution