Chemistry Exam 1 - Bert Johnson | Library | Formative

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Match the following symbols with their name or description

Draggable item		Corresponding Item
N		the fuel for fusion reactions in the Sun and fusion bombs
F		Boron
C		the core element in diamonds, graphite, DNA, proteins, and carbohydrates
S		The most abundant element in our atmosphere
O		the common nonmetal that reacts with almost every other metal and nonmetal, making up a large part of the atmosphere, biosphere, hydrosphere, and the crust of the earth
H		Flourine
B		Sulfur

Match the following symbols with their name or description

Draggable item		Corresponding Item
He		Helium
Li		this metals density makes it useful for electric car batteries
Ca		Beryllium
Si		an inert Noble gas used in signs
Ne		its unusual ability to change its electrical conductivity makes it essential for microprocessors and solid state memory chips
Be		essential to bone and shell strength and muscle and nerve function

Match the following symbols with their name or description

Draggable item		Corresponding Item
Fe		Potassium
Cl		A halogen that is useful for killing bacteria in drinking water and swimming pools
Hg		Iron
K		Silver
Na		a metal that is liquid at room temperature and used in thermometers and other instruments
Ag		Sodium

Draggable item		Corresponding Item
Air		solution
Gold		the less reactive common gas in our atmosphere
Nitrogen		reactive metal
Helium		inert Nobel gas
Potassium		conductive nonreactive metal

Match the following with what is produced when it reacts with Oxygen

Draggable item		Corresponding Item
Coal		Orange Rust
Iron		Black Tarnish
Argon		Green Cupric Oxide
Silver		Water
Hydrogen		Carbon Dioxide
Copper		Does not react with Oxygen

Match the following

Draggable item		Corresponding Item
color		a chemical property
surface tension		the property that allows water striders to walk on water
mass		the amount of matter in a substance
flammability		the space a substance occupies
density		the mass of a substance divided by the space it occupies
volume		the wavelength of visible light that is reflected or emitted from an object
temperature		the average kinetic energy of the particles in a substance

Match the following

Draggable item		Corresponding Item
permeability		a chemical property
toxicity		the temperature at which a substance freezes
elasticity		the temperature at which a substance changes from a liquid state to a gaseous state
boiling point		a measure of how much light or heat bounces back from an object
ductility		the tendency of an object to bend under pressure and return to its original position when that pressure is removed
reflectivity		the ability to allow something else to pass through it (e.g. water through soil, Oxygen through a membrane)
melting point		the ability to lengthen a substance like a wire without it breaking

Match the following

Draggable item		Corresponding Item
reactivity		a chemical property
strength		the way light interacts with the surface of a crystal, rock, or mineral
solubility		the thickness, stickiness, or resistance to flow of a liquid
viscosity		how much pressure a substance can take without bending or breaking
luster		the ability of a substance to form a solution with another substance
hardness		the ability of a substance to allow light to pass through it
opacity		the resistance of a solid to scratching

Match each unit with what it measures

Draggable item		Corresponding Item
Mass		g
Volume		mL
Pressure		g/ml
Density		s
Time		N/m2 (or PSI in the British System) Force divided by a unit of area