Sub plan 2

Atomic Theory

Timeline of scientists and their findings

Multiple Choice

Electrons orbit a certain distance from the nucleus. Either radiate or absorb energy when jumping orbitals.

• Dalton

• Thomson

• Rutherford

• Bohr

Multiple Choice

The atom is mostly large empty space with a small, dense nucleus at the center

• Dalton

• Thomson

• Rutherford

• Bohr

Multiple Choice

Atom is a positively charged cloud with embedded negative electrons

• Dalton

• Thomson

• Rutherford

• Bohr

Multiple Choice

Atoms are indivisible (cannot be broken down)

• Dalton

• Thomson

• Rutherford

• Bohr

Multiple Choice

What scientist proposed this atomic model?

• Dalton

• Thomson

• Rutherford

• Bohr

Multiple Choice

What scientist proposed this atomic model?

• Dalton

• Thomson

• Rutherford

• Bohr

Multiple Choice

What scientist proposed this atomic model?

• Dalton

• Thomson

• Rutherford

• Bohr

Multiple Choice

What scientist proposed this atomic model?

• Dalton

• Thomson

• Rutherford

• Bohr

Multiple Choice

In a famous experiment conducted by Ernest Rutherford, positively charged alpha particles were scattered by a thin gold foil. Which of the following is a conclusion that resulted from this experiment?

• The nucleus is negatively charged

• The atom is a dense solid and is indivisible

• The mass is conserved when atoms react chemically

• The nucleus is very small and the atom is mostly empty space

Multiple Choice

In a famous experiment conducted by Ernest Rutherford, positively charged alpha particles were scattered by a thin gold foil. Which of the following is a conclusion that resulted from this experiment?

• The nucleus is negatively charged

• The atom is a dense solid and is indivisible

• The mass is conserved when atoms react chemically

• The nucleus is very small and the atom is mostly empty space

Multiple Choice

What subatomic particle was discovered in the cathode ray tube experiment?

• Proton

• Neutron

• Electron

• Nucleus

Multiple Choice

What subatomic particle was discovered in the cathode ray tube experiment?

• Proton

• Neutron

• Electron

• Nucleus

Multiple Choice

What evidence led Niels Bohr to believe that electrons occupy specific energy levels in atoms?

• Excited electrons emit colored light at every possible wavelength.

• Excited electrons emit colored light at only certain wavelengths.

• Electrons emit colored light only when in an excited state.

• Electrons emit colored light only when in ground state.

Multiple Choice

John Dalton stated:

• elements are made of atoms
• atoms of a given element are identical
• atoms cannot be subdivided, created, nor destroyed
• all of the above

Multiple Choice

How did Rutherford discover the proton?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model

Multiple Choice

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Multiple Choice

Elements in a .................. have similar chemical properties.

• period

• group

• row

Multiple Choice

Which group of the periodic table is composed of inert (not reactive) gases?

answer choices

• alkali metals

• alkaline earth metals

• halogens

• noble gases

Multiple Choice

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Multiple Choice

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Multiple Choice

Which group of elements are the most reactive nonmetals?

• Group 2

• Group 1

• Group 18

• Group 17

Multiple Choice

What are the vertical columns on the periodic table called?

• Groups

• Periods

• Elements

• Valence electrons

Multiple Choice

Which group of elements have one valence electron(s)?

• Group 13

• Group 2

• Group 18

• Group 1

Multiple Choice

Which group of elements are nonreactive due to already being chemically stable?

• Group 17

• Group 1

• Group 2

• Group 18

Multiple Choice

Which classification of elements are shiny, silvery solids and good conductors of heat and electricity?

• Transition metals

• Metalloids

• Nonmetals

• Metals

Multiple Choice

Which classification of elements are gases or dull brittle solids and poor conductors?

• Transition metals

• Metals

• Nonmetals

• Metalloids

Multiple Choice

Which classification of elements are solids, semi-conductors, and have physical properties like metals and chemical properties like nonmetals?

• Transition metals

• Metalloids

• Nonmetals

• Metals

Categorize

Options (11)

shiny, silvery solids

good conductors of heat and electricity

malleable and ductile

located ot the left of the metalloids

gases, or dull brittle solids

poor conductors

right of the metalloids

solids

semi-conductors

physcial properties like metals

chemical properties like nonmetals

Organize these options into the right categories

Metals

Nonmetals

Metalloids

Multiple Choice

What is a Bohr Model

• diagrams for funsies

• simple diagrams that show the atomic structure of an atom

• diagrams that show where it is at on the periodic table

• not the answer

Multiple Choice

Who discovered the electrons?

• Rutherford

• Bohr

• Thomson

• Dalton

Pure Substances & Mixtures

Some text here about the topic of discussion

Multiple Choice

Both elements and compounds are pure substances. 

• AGREE

• DISAGREE

Multiple Choice

Which of these is a compound?

• Aluminium (Al)

• Carbon Dioxide (CO2)

• Nitrogen (N)

• Sand

Multiple Select

Identify which images are PURE SUBSTANCES! (Check all that apply) : )

Homogeneous Mixture is uniform and evenly mixed!

Heterogeneous Mixture is NOT uniform and NOT evenly mixed!

Multiple Choice

What are the two types of Mixtures

• Elements and Subatomic Particles

• Protons and Electrons

• Atoms and Compounds

• Homogenous and Heterogeneous

Multiple Choice

In which mixture can you not see all of the parts?

• homogeneous

• heterogeneous

Multiple Choice

In which mixture can you see all of the parts?

• homogeneous

• heterogeneous

Drag and Drop

Ms. Powers made Kool-Aid for her classes. The sugar and powder mixture was the​

Placeholder

. The water was the ​

Placeholder

. The Kool-Aid was the ​

Placeholder

Drag these tiles and drop them in the correct blank above

solute

solvent

solution

equation

salt

solve

Multiple Choice

A solute is usually a ....

• Solid

• Liquid

• Gas

Multiple Choice

Water is the universal ____.

• solute

• solvent

• solution

Multiple Choice

What is another name for a homogeneous mixture?

• Solute

• Solution

• Heterogeneous mixture

• Solvent

Multiple Choice

The substance that is doing the dissolving in a solution is called the ---

• solute

• solvent

• concentrated part

• diluted part

Multiple Choice

If Mohammed dissolves 25g of sugar into 200mL of water that has a mass of 200g, what is the mass of the new solution?

• 225 g

• 425 g

• 175 g

• between 200 g and 225 g

Multiple Select

Stefanie wants to dissolve a sugar cube into water. Which of the following will speed up the dissolving rate of the sugar cube? (Choose all that are correct!)

• Using warm water instead of cold water

• Add more than 1 cube at a time

• Crushing the cube into small pieces

• Adding the cubes to the cup and then pouring on the water

• Stirring the water after adding the cubes

Multiple Choice

At 60 degrees Celsius, how much NaNO₃ can be dissolved in 100g of water?

• 120 g

• 105 g

• 140 g

• 90 g

Multiple Choice

According to the graph, which substance is not much affected in solubility as the temperature rises?

• NaNO₃

• KNO₃

• NaCl

• Na₂SO₃

Multiple Choice

Adam makes coffee by mixing coffee and sugar into hot water. The coffee and sugar have dissolved completely. What type of mixture did Adam make?

• Colloid

• suspension

• solution

• compound

Multiple Choice

Which of the following groups are ALL mixtures?

• soil, water, blood, salt

• soil, blood, air, salt water

• Oxygen, water, air, salt

• salt water, coffee, oxygen, sugar

Multiple Choice

Milk is an example of which type of mixture?

• solution

• suspension

• colloid

• compound

Multiple Select

Which of the following are true statements about the picture? (Choose all that are correct!)

• A is the most concentrated

• G is the most diluted

• C is more diluted than E

• D is more diluted than E and more concentrated than C

• B is more diluted than A and more concentrated than C

Multiple Choice

In the glass of salt water shown, what is the solute in the solution?

• water

• salt

• salt water

• this does not have a solute because it is not a solution

Multiple Select

Which of the following are homogeneous mixtures? (Choose all that are correct!)

• cereal with milk

• chocolate chip icecream

• salt water

• pizza

• Soda

Multiple Choice

Which picture represents a compound?

• A

• B

• C

Multiple Choice

Which of the pictures represents a mixture?

• A

• B

• C

Multiple Choice

A substance made of two or more PHYSICALLY combined substances is--

• an element

• a mixture

• a salt

• a compound

Multiple Choice

A substance made of only 1 type of atom is called --

• an element

• a salt

• a compound

• a mixture

Multiple Choice

Name the separation technique shown in the diagram.

• evaporation

• distillation

• filtration

Multiple Choice

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

Multiple Choice

To separate a mixture of soil and water what separation method is used?

• Filtration
• Distillation
• Chromatography
• Evaporation

Multiple Choice

To separate a mixture of salt and water what separation method is used?

• Filtration
• Distillation
• Chromatography
• Evaporation

Multiple Choice

What mixture could you use this tool to best separate that mixture?

• Sugar and Salt

• Sand and rocks

• Apples and grapes

Multiple Choice

Type of mixture that DOESN'T HAVE the same composition in every part.

• Homogeneous
• Heterogeneous

Multiple Choice

If I have a mixture of wooden blocks and metal blocks. What is a fast way to separate them?

• relative density (put them in water)

• filter

• sieve

Multiple Choice

How do we know a chemical reaction has taken place?

• Substances change in appearance

• Substances change in size

• Substances change in states, like from a liquid into a solid.

• New substances are formed

Multiple Choice

Which of the following is a reactant in the following equation?

O₂ + C₆H₁₂O₆ > CO₂ + H₂O

• CO₂

• H₂O

• O₂

Multiple Choice

Which of the following is a product in the following equation?

O₂ + C₆H₁₂O₆ > CO₂ + H₂O

• CO₂

• C₆H₁₂O₆

• O₂

Multiple Choice

Lighting a match is an example of

• an endothermic reaction

• an endergonic reaction

• both an endothermic and an endergonic reaction

• both an exothermic and an exergonic reaction

Multiple Choice

In the following equation, which is the catalyst?

H₂O₂ + Catalase > H₂O + O₂ + Catalase

• H₂O₂

• H₂O

• O₂

• Catalase

Multiple Choice

In which of the following has a chemical reaction taken place?

• An apple turning brown

• Milk developing a sour taste

• Smoke being released as a candle burns

• All of the previous

Multiple Choice

Which of the following is an example of a CHEMICAL change?

• Shattering a window with a baseball

• Ripping paper into 1,000,000,000 tiny pieces

• Rusting an iron bar on a humid day

• Melting a block of copper metal

Multiple Choice

Which of the following is an example of a PHYSICAL change?

• Neutralizing vinegar with baking soda

• Breaking your iPad with a rock due to school stress

• Creating a precipitate by mixing Lead Nitrate and Sodium Iodide

• Burning popcorn in the microwave

Multiple Choice

What are the products of ALL combustion reactions?

• Carbon Dioxide and Water

• Smoke and Ash

• Fire and Carbon Dioxide

• Water and Ash

Multiple Choice

What does the symbol (aq) stand for?

• Aquatic

• Aqueous

• Aqua

• Aquarium

Multiple Choice

Which law states that Matter cannot be created or destroyed?

• Law of Conservation of Matter

• Law of Gravity

• Law of Equivalent Exchange

• Law of Matter ad Infinitum

Multiple Choice

When a chemical reaction takes in more energy than it gives off it becomes _______________.

• colder

• hotter

• bigger

• smaller

Multiple Choice

What does 'atomos' mean?

• not to be cut

• not to be broken

• not very big

• not to be seen

Open Ended

What did his model of the atom look like?

Multiple Choice

What is Dalton best known for?

• the first modern atomic theory

• playing pool

• saying that atoms are small

Fill in the Blank

Thomson is the first to figure out that atoms are made of ________ particles.

Multiple Select

Which two desserts look like Thomson's model?

• chocolate chip cookie

• plum pudding

• cake

• brownies

Multiple Choice

What element is most famous in Rutherford's experiment?

• gold

• silver

• platinum

• nickel

Open Ended

What did Rutherford prove?

Multiple Choice

What did Rutherford call his new discovery?

• the electron cloud

• the nucleus

• the orbital

Multiple Choice

Where is most of the mass of an atom located?

• the nucleus

• the electron cloud

• the space in between particles

Open Ended

What did Bohr compare the atom to?

Multiple Choice

Bohr is the first to give definite information regarding which subatomic particle?

• electron

• proton

• neutron

Open Ended

What do we now know about electrons?

Multiple Choice

What does an electrons location depend on?

• how fast it is moving

• how much energy it has

Multiple Choice

What do we call the area in which electrons are located?

• the electron sky

• the electron space

• the electron cloud

• the electron solar system