A stack to study for my science midterm on the chemistry unit
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What charge does a neutron have? | No charge
🗑
|
||||
| What charge does an electron have? | Negative charge
🗑
|
||||
| What charge does a proton have? | Positive charge
🗑
|
||||
| What is in the nucleus of an atom? | Protons and neutrons
🗑
|
||||
| The nucleus of an atom is what compared to the rest of the atom? | Very small
🗑
|
||||
| What is the formula for atomic mass? | Protons+Neutrons
🗑
|
||||
| What are isotopes? | Atoms that have different numbers of neutrons than the periodic table suggests
🗑
|
||||
| Rows on the periodic table are called... | Periods
🗑
|
||||
| Columns on the periodic table are called... | Groups
🗑
|
||||
| What are the six flavors of quarks? | Up, down, strange, charmed, top, bottom
🗑
|
||||
| Metals are good conductors of what? | Heat and electricity
🗑
|
||||
| What does it mean to be malleable? | It (a metal) can be bent and pounded into lots of shapes
🗑
|
||||
| What does it mean to be ductile? | It (a metal) can be drawn into wires without breaking
🗑
|
||||
| What is a compound? | A substance whose smallest unit is made up of more than one element bonded together
🗑
|
||||
| What is a mixture? | When two or more substances come together but don't combine to make a new substance
🗑
|
||||
| Ionic bonding occurs between what kinds of elements? | Metals and nonmetals
🗑
|
||||
| Covalent bonding occurs between what kinds of elements? | Two nonmetals
🗑
|
||||
| What is a physical property? | A characteristic of a material that can be observes or measured without changing the identity of the material
🗑
|
||||
| Which state of matter has a fixed position and particles close together? | Solid
🗑
|
||||
| Which state of matter has particles moving fast enough that they can move past each other so the matter can take the shape of the container? | Liquid
🗑
|
||||
| Which state of matter has particles moving fast and freely so that they take up as much space as possible? | Gas
🗑
|
||||
| The phase change of liquid to solid is called what and does it absorb or release energy? | Freezing; Release
🗑
|
||||
| The phase change of solid to liquid is called what and does it absorb or release energy? | Melting; Absorb
🗑
|
||||
| The phase change of liquid to gas is called what and does it absorb or release energy? | Evaporation; Absorb
🗑
|
||||
| The phase change of gas to liquid is called what and does it absorb or release energy? | Condensation; Release
🗑
|
||||
| The phase change of gas to solid is called what and does it absorb or release energy? | Sublimation; Release
🗑
|
||||
| The phase change of solid to gas is called what and does it absorb or release energy? | Deposition; Absorb
🗑
|
||||
| What does like dissolves like mean? | Polar solutes dissolve polar solvents and nonpolar solutes dissolve nonpolar solvents
🗑
|
||||
| Polar bonds are... | Assymetrical
🗑
|
||||
| Nonpolar bonds are... | Symmetrical
🗑
|
||||
| In liquid-solid solutions when you increase temperature the sollubility... | Increases
🗑
|
||||
| In liquid-gas solutions when you increase temperature the sollubility... | Descreases
🗑
|
||||
| What are acids? | Substances that release positive hydrogen ions, hydonium ions
🗑
|
||||
| What are bases? | Substances that accept hydrogen ions and when when combined with water releases hydroxide ions, OH-
🗑
|
||||
| Acids have a pH that is... | Below 7
🗑
|
||||
| Bases have a pH that is... | Above 7
🗑
|
||||
| Water has a pH of... | 7
🗑
|
||||
| What is a chemical reaction? | A process that produces a chemical change?
🗑
|
||||
| What is the law of conservation of mass? | The mass of the products must be the same as the mass of the reactants
🗑
|
||||
| What are waves? | A disturbance that moves through matter or space and move energy from one place to another
🗑
|
||||
| What mediums can mechanical waves move through? | Only through matter
🗑
|
||||
| What are the two types of mechanical waves? | Transverse and Compressional (longitudinal)
🗑
|
||||
| Transverse waves move matter at what angle to the direction in which the wave travels? | Right angle
🗑
|
||||
| Compressional waves move matter in what direction compared to the direction in which the wave travels? | The same direction
🗑
|
||||
| What are the places where the wave is squeezed together called? | Compressions
🗑
|
||||
| What are the places where the wave is spread apart called? | Rarefactions
🗑
|
||||
| The compressions and rarefactions travel along the matter but the matter only moves... | Back and forth
🗑
|
||||
| What are electromagnetic waves? | Transverse waves that can travel through matter or empty space
🗑
|
||||
| What are wavelengths? | The distance between two crests or troughs
🗑
|
||||
| What is frequency? | The number of wavelengths that pass by a point each second
🗑
|
||||
| What is the human perception of sound frequency? | Pitch
🗑
|
||||
| What is amplitude (transverse waves)? | The distance between a waves crest and trough divided by two
🗑
|
||||
| What is amplitude (compressional waves)? | It depends on the density of the compressions and rarefactions
🗑
|
||||
| The more energy a wave has, the larger its... | Amplitude
🗑
|
||||
| Amplitude is an indication of what? | Energy
🗑
|
||||
| What is the formula for wave speed? | Wave speed= Wavelength x Frequency
🗑
|
||||
| Wave speed depends on what? | The medium the wave is traveling through
🗑
|
||||
| What is the crest of a wave? | The highest part of the transverse wave
🗑
|
||||
| What is the trough of a wave? | The lowest part of a transverse wave
🗑
|
||||
| When waves travel from one material to another they change... | Direction
🗑
|
||||
| What is it called when waves bounce off of surfaces? | Reflect
🗑
|
||||
| What is it called when waves change directions? | Refract
🗑
|
||||
| What is it called when waves bend around obstacles? | Diffract
🗑
|
||||
| What is the angle of incidence? | The angle between the normal line and the incident ray?
🗑
|
||||
| What is the angle of reflection? | The angle between the normal line of the reflected ray
🗑
|
||||
| What is the law of reflection? | The angle of incidence= the angle of reflection
🗑
|
||||
| Sound waves are what kind of waves? | Compressional wave
🗑
|
||||
| What mediums can sound waves travel through? | Only matter
🗑
|
||||
| The speed of sound waves depends on what? | The matter that it's traveling through
🗑
|
||||
| What is a waves intensity? | The amount of energy a wave carries past a certain area each second
🗑
|
||||
| What is the relationship of the distance you are to the origin of the sound and its intensity? | The closer you are to the origin of a sound, the greater the intensity
🗑
|
||||
| The measurement of intensity is... | Decibels
🗑
|
||||
| Greater intensity= greater... | Amplitude
🗑
|
||||
| What is how we perceive intensity? | Loudness
🗑
|
||||
| What are electromagnetic waves? | Waves that travel through matter or empty space
🗑
|
||||
| All electromagnetic waves are... | Transverse
🗑
|
||||
| Infared waves are what in relation to visible light? | Slightly longer than visible light
🗑
|
||||
| White light is... | A combination of every colour
🗑
|
||||
| Ultraviolet waves are what in relation to visible light? | Slightly shorter than visible light
🗑
|
||||
| What are H+ ions called? | Hydronium Ions
🗑
|
||||
| What form of energy is sound? | Mechanical
🗑
|
||||
| Which colour on the electromagnetic spectrum has the longest wavelength? | Red
🗑
|
||||
| Which colour on the electromagnetic spectrum has the shortest wavelength? | Violet
🗑
|
||||
| What is sublimation? | The phase change from solid to gas
🗑
|
||||
| What is deposition? | The phase change from gas to solid
🗑
|
||||
| Electromagnetic waves all have the same speed in what medium? | A vacuum
🗑
|
||||
| The angle of incidence= | The angle of reflection
🗑
|
||||
| Does sound travel faster or slower in mediums such as steel than in air? | Faster
🗑
|
||||
| H20 is... | A compound
🗑
|
||||
| For most waves a temperature increase makes the speed... | Faster
🗑
|
||||
| As water evaporates from a surface the temperature of the surface... | Stays the same
🗑
|
||||
| How does salt melt ice or snow on sidewalks? | It lowers the melting point
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
lopiegabby
Popular Chemistry sets