Week 17 - Assignment #3 - S8P1e&f Assessment

Atomic Structure and The Conservation of Matter

S8P1e&f Assessment

Multiple Choice

A proton has a __________ charge.

• positive

• negative

• neutral

Multiple Choice

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

Multiple Choice

How many oxygen atoms are in this chemical formula?

• 6 oxygen atoms

• 2 oxygen atoms

• 3 oxygen atoms

• 4 oxygen atoms

Multiple Choice

How many nitrogen atoms does NH₃ have?

• 1
• 2
• 3
• 4

Multiple Choice

Which of the following are Subscripts in this Chemical Formula: 3Fe₂O₄

• 3,4

• 3,2

• 2,4

• 6

Multiple Choice

The coefficient in 3H₂O is

• 6

• 2

• 3

• 5

Multiple Choice

What is the Law of Conservation of mass?

• Mass is created in a chemical reaction
• Mass is created in a physical change
• New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
• Mass is never created or destroyed

Multiple Choice

An oreo cookie weighs 20 grams.  It gets crushed into crumbs for a recipe.  How much do its crumbs weigh?

• 15 grams
• 25 grams
• 20 grams

Multiple Choice

The Law of Conservation of matter states that the total amount of matter ______________ after it undergoes change.

• disappears
• stays the same
• weighs less
• explodes

Multiple Choice

___________ and ___________ are two subatomic particles found in the nucleus of an atom

• electrons; neutrons

• protons; neutrons

• protons; electrons

Multiple Choice

A(n) ______________ is a subatomic particle that has a negative charge.

• proton

• electron

• neutron

Multiple Choice

Which part of the diagram represents the proton?

• A

• B

• C

• D

Multiple Choice

Helium, neon, and argon are examples of

• metals

• metalloids

• noble gases

• transitional metals

Multiple Choice

Identify #4

• proton

• neutron

• electron

• nucleus

Multiple Choice

Identify #3

• proton

• neutron

• electron

• nucleus

Multiple Choice

Identify #2

• proton

• neutron

• electron

• nucleus

Multiple Choice

Identify #1

• proton

• neutron

• electron

• nucleus

Multiple Choice

How many neutrons does platinum have?

• 78

• 117

• 195

• 196

Multiple Choice

What is the atomic mass of barium

• 56

• 82

• 137

• 138

Multiple Choice

How many protons does indium have?

• 49

• 66

• 114

• 115

Multiple Choice

The smallest subatomic particle is the

• proton

• neutron

• electron

• decepticon

Multiple Choice

The periodic table is in order by the

• Mass number

• Neutron number

• Atomic number

• APE MAN Number

Multiple Choice

The atomic number will always be the same as

• Mass number and number of protons

• Number of neutrons and protons

• number of electrons and protons

• Number of electrons and neutrons

Multiple Choice

Found in the nucleus of an atom, this subatomic particle has a neutral (or no ) charge

• Neutron

• Proton

• Electron

• Whattheheckatron

Multiple Choice

Found orbiting outside the nucleus, this subatomic particle has a negative charge.

• Neutron

• Proton

• Electron

• Idontknowatron

Multiple Choice

Found in the nucleus of an atom. This particle has a positive charge.

• Neutron

• Proton

• Electron

• Decepticon

Multiple Choice

Name the element

Multiple Choice

Name the element

Multiple Choice

Conservation of Matter states that the reactants have to equal the _______.

• products

• enablers

Multiple Choice

Products and reactants in a balanced chemical reaction have the same number of _______ of each element.

• atoms

• molecules

Multiple Choice

If the equation on the board had shown 3 atoms of carbon on the reactants side, how many atoms of carbon would need to be represented on the products side?

• 2

• 3

• 4