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121 Cards in this Set

  • Front
  • Back
Physical or Chemical change

Burning paper
Chemical
Physical or Chemical change

Boiling Water
Physical
Physical or Chemical change

Dissolving salt in water
Physical
Physical or Chemical change

Baking Cookies
Chemical
Name the element

Na
Sodium
Name the element

Cu
Copper
Name the element

Ag
Silver
Name the element

N
Nitrogen
Name the element

K
Potassium
Name the element

O
Oxygen
Name the element

Pb
Lead
Name the element

Sn
Tin
Name the element

Au
Gold
Name the element

Al
Aluminum
Name the element

He
Helium
Substances that CANNOT be broken down chemically into other substances are
Elements
The measurement of the force of gravity on an object is the object’s
Weight
The measurement of how much matter an object contains is its
Mass
The measurement of how much mass is contained in a given volume is called
Density
All elements are composed of extremely small particles called
Atoms
Anything that has mass and takes up space is called
Matter
The SI unit for mass is the
Kilogram
Term that means metals can be pulled into thin strands or wires
Ductile
Which particles in an atom are in the nucleus?
Protons and Neutron
The number of protons in the nucleus of an atom.
Atomic number
A row across the periodic table is called a
Period
What natural event provides enough energy for the nuclear fusion reactions that create the heaviest elements?
Supernova
To make most synthetic elements, scientists use powerful machines called
Particle accelerator
The sun is made up mostly of
Hydrogen
In an atom, the number of protons equals the number of
electrons
Which parts of the atom move around the nucleus?
Electrons
Which group of elements shares characteristics with both metals and nonmetals?
metalloids
Which particles in atoms have a negative electric charge?
Electrons
Fluorine, chlorine, bromine, and iodine are part of a family called
Halogens
definite volume and a definite shape
Solids
The resistance of a liquid to flowing is its
Viscosity
According to Boyle’s law, when the pressure of a gas increases at constant temperature, its volume
Decreases
A solid turns directly into a gas
Sublimation
The surface of water can act like a sort of skin due to a property of liquids called
Surface tension
The change from liquid to solid
Freezing
A liquid becoming a gas
Vaporization
The opposite of vaporization
Condensation
In the periodic table, atoms are arranged from left to right and from top to bottom in order of increasing
Atomic number
Group 18 elements, also known as the
Noble gases
The most stable elements
Noble gases
A column of elements in the periodic table is called a
Group
Elements that easily transmit electricity and heat display the property known as
Conductivity
Center core of an atom
Nucleus
A substance that will conduct electricity only under certain conditions
Semiconductor
No definite shape or volume
Gas
Vaporization that takes place only on the surface of a liquid
Evaporation
Particles are packed closely together, but they can move past each other freely
Liquid
29 cm equals how many mm?
290 mm
.111 kg equals how many g?
111 g
24 mL equals how many centiliters?
2.4 cL
0 kg equals how many mg?
0 mg
Unscramble the term

tmtrae
Matter
Unscramble the term

nrpoot
Proton
Positive particle
Proton
Neutral particle
Neutron
How many oxygen atoms are in one molecule of water?
1
How many atoms are in one molecule of carbon dioxide (CO2)?
3
How may elements make up water?
2
According to Charles’s law, whenever the temperature of a gas at constant pressure decreases, the volume
Decreases
Gas-like mixture of free electrons and atoms stripped of their electrons
Plasma
Physical or Chemical Change

The tarnishing of metal
Chemical
The most reactive group of nonmetals
Halogens
The most reactive group of metals
Alkali Metals
This group of elements gives up 2 electrons in a chemical reaction
Alkaline earth metals
Groups 3-12
Transition metals
Name the element

P
Phosphorus
Name the element

Ca
Calcium
Name the element

Li
Lithium
Name the element

Ne
Neon
Name the element

Cl
Chlorine
Name the element

H
Hydrogen
This type of bond is the attraction between oppositely charged ions
Ionic bond
Ionic bond or Covalent

NaCl
Ionic
Ionic or Covalent

Water
Covalent
Ionic or Covalent

Carbon Dioxide
Covalent
They form hard, brittle crystals with characteristic shapes
Ionic Compound
A chemical bond formed when two atoms share electrons is called this
Covalent bond
Name of the electrons involved in bonding between atoms
Valence
This item is written first in the chemical formula for an ionic compound
Positive ion
Ionic compounds are electrically this
neutral
The types of bonds that usually form between two nonmetals
Covalent bonds
How many electrons are shared inn a double covalent bond?
4
Halogen or Noble Gas

Bromine
Halogen
Halogen or Noble Gas

Iodine
Halogen
Halogen or Noble Gas

Argon
Noble gas
Halogen or Noble Gas

Florine
Halogen
Which atom is an alkali metal?

Calcium, Potassium, Chlorine
Potassium
Which atom is an alkali metal?

Mg, Li, I
Lithium
In an electron dot diagram of Na, how many dots should be drawn around the element's symbol?
1
In an electron dot diagram of Oxygen, how many dots should be drawn around the element's symbol?
6
In an electron dot diagram of Helium, how many dots should be drawn around the element's symbol?
2
In an electron dot diagram of Neon, how many dots should be drawn around the element's symbol?
8
In an electron dot diagram of Fluorine, how many dots should be drawn around the element's symbol?
7
Which group of electrons loses electrons most easily?
Group 1
Which group contains elements with 2 valence electrons?
Group 2
If an element in group one gives up an electron what is its overall charge?
1+
If an element gains two electrons what is its overall charge?
2-
Polar or Nonpolar

F2
Nonpolar
Polar or Nonpolar

Water
Polar
Molecular or Ionic Compound

Low melting points
Molecular
Molecular or Ionic Compound

Can conduct electricity when dissolved in water
Ionic
A unit of pressure is called this
pascal
Air pressure increases as elevation
decreases
Air pressure deacreases as elevation
increases
Water pressure decreases as depth
decreases
Water pressure increases as depth
increases
Which of the following is true of the buoyant force?

It acts in the downward direction

It acts in the upward direction
It acts in the upward direction
This scientific rule states that the buoyant force on an object is equal to the fluid displaced by the object.
Archimedes' principle
When water fills a submarine's flotation tanks, the overall density of the submarine ______
increases
This principle states that when force is applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid
Pascal's principle
The mass per unit volume of a substance is its
density
Unscramble the term

yycnuoab
buoyancy
Unscramble the term

laapsc
Pascal
Unscramble the term

uldfi
Fluid
Unscramble the term

rai ueesrrsp
Air pressure
Unscramble the term

ieydstn
Density