Term
| The amount of space occupied by a substance is its |
|
Definition
|
|
Term
| Which of the following is the basic unit of volume in the metric system? |
|
Definition
|
|
Term
| Measurement of gravitational pull on an object is its |
|
Definition
|
|
Term
| The number of significant figures in the measurement of 45.030 mm is |
|
Definition
|
|
Term
| How many significant figures are in the number 0.00208? |
|
Definition
|
|
Term
Which of the following is the largest unit?
A)millimeter
B)micrometer
C)meter
D)decimeter
E)kilometer |
|
Definition
|
|
Term
| According to the united states food and drug administration, the recommended daily requirement of protein is 44g. This is __________of protein. |
|
Definition
|
|
Term
| 1.00 pint of milk has a volume of how many milliliters? |
|
Definition
|
|
Term
| How many liters of soft drink are there in 5.25 quarts? |
|
Definition
| 4.95L Given:(1 mL=1.06qt) 5.25qt/1.06qt = 4.95L |
|
|
Term
| How many centimeters are there in 57.0 in? |
|
Definition
| 145cm Given: (1 inch=2.54cm) |
|
|
Term
| A doctor's order is 0.125 g of ampicillin. The liquid suspension on hand contains 250 mg/5.0 mL. How many milliliters of the suspension are required? |
|
Definition
| 2.5mL (0.125g x 1000=125mg) |
|
|
Term
| What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL? |
|
Definition
| 2.3g Given:Mass=Volume x Density (2.00L)(1.15)= 2.3g |
|
|
Term
| Mercury has a specific gravity of 13.6. How many milliliters of mercury have a mass of 0.35 kg? |
|
Definition
26mL Given:Mass=Volume x Density 1kg=1000g (0.35)(1000)=350g
350g=(v)(13.6) } 350g/13.6=25.7mL |
|
|
Term
| The ratio of the mass of a substance to its volume is its ________. |
|
Definition
|
|
Term
| Specific gravity has no units. True or False |
|
Definition
|
|
Term
Express each of the following numbers using Scientific Notation.
5 207 000 |
|
Definition
|
|
Term
Express each of the following numbers using Scientific Notation.
0. 000860 |
|
Definition
|
|
Term
Express each of the following numbers using Scientific Notation.
540 000 |
|
Definition
|
|
Term
Which of the following is an example of a physical change?
A) grinding coffee beans
B) baking a cake
C) converting water to hydrogen and oxygen
D) digesting a cheeseburger
E) burning coal |
|
Definition
|
|
Term
Which of the following is a chemical change?
A) cutting a rope
B) bending a steel rod
C) making a snowman
D) burning sugar
E) melting gold |
|
Definition
|
|
Term
If the temperature is 20. °C, what is the corresponding temperature on the Fahrenheit scale?
A) -22 °F
B) 68 °F
C) 43 °F
D) 239 °F
E) 94 °F |
|
Definition
| 68 degrees F Given: F=1.8(C)+32 |
|
|
Term
If the temperature is -55 °F, what is the corresponding temperature on the Kelvin scale?
A) 225 K
B) 218 K
C) 55 K
D) 273 K
E) 328 K |
|
Definition
| 225 K Given: K=C+273 C=F-32/1.8 |
|
|
Term
An example of kinetic energy is ________.
A) a coiled spring
B) running water
C) a tree
D) natural gas
E) food |
|
Definition
|
|
Term
The energy associated with the motion of particles in a substance is called ________.
A) temperature
B) electrical energy
C) heat
D) chemical energy
E) potential energy |
|
Definition
|
|
Term
The phrase "ability to do work" is a definition of ________.
A) specific heat
B) energy
C) calorie
D) heating
E) cooling |
|
Definition
|
|
Term
650. J is the same amount of energy as ________.
A) 155 cal
B) 2720 cal
C) 650. cal
D) 1550 cal
E) 2.72 cal |
|
Definition
| 155 cal Given: 1cal=4.184J 155J/4.184J=155.3cal |
|
|
Term
One cup of kidney beans contains 15 g of protein, 1 g of fat, and 42 g of carbohydrate. How many kilocalories, to two significant figures, does this sample contain? (The caloric values are:
4 kcal/g for carbohydrate, 9 kcal/g for fat, and 4 kcal/g for protein. Round off the energy value for each food group to the tens place.)
A) 60. kcal
B) 90 kcal
C) 230 kcal
D) 240 kcal
E) 520 kcal |
|
Definition
| 240kcal Given: 1g fat=9kcal/g, 1g protein=4kcal/g, 1g carb= 4kcal/g |
|
|
Term
The specific heat of a substance is the amount of heat needed to ________.
A) change 1 g of the substance from the solid to the liquid state
B) raise the temperature of 1 g of the substance by 1 °C
C) change 1 g of the substance from the liquid to the solid state
D) convert 1 g of a liquid to gas
E) convert 1 g of a solid to a gas |
|
Definition
| raise the temperature of 1g of the substance by 1degrees C |
|
|
Term
How many calories are required to raise the temperature of a 35.0 g sample of iron from 25 °C to 35 °C? Iron has a specific heat of 0.108 cal/g °C.
A) 38 cal
B) 1.1 cal
C) 3.8 cal
D) 93 cal
E) 130 cal |
|
Definition
|
|
Term
| The number of calories needed to raise the temperature of 32 g of water from 12°C to 54°C is ________. A) 380 cal B) 1.3 cal C) 1300 cal D) 1700 cal E) 0.76 cal |
|
Definition
|
|
Term
When a solid is converted directly to a gas, the change of state is called ________.
A) freezing
B) melting
C) boiling
D) condensation
E) sublimation |
|
Definition
|
|
Term
A heating curve illustrates ________.
A) what a substance looks like as it is heated
B) what happens to the particles of a substance as it is heated
C) what happens to the heat applied as the temperature is increased
D) the changes in the temperature and physical state of a substance as it is heated
E) the chemical changes that occur as the substance is heated |
|
Definition
| Changes in the temperature and physical state of a substance as it is heated |
|
|
Term
| Air is an example of a ________ mixture. |
|
Definition
|
|
Term
| Iron rusting is an example of a ________ change |
|
Definition
|
|
Term
The primary substances of which all other things are composed are ________.
A) molecules
B) compounds
C) elements
D) electrons
E) protons |
|
Definition
|
|
Term
Select the correct symbol for the element silver.
A) S
B) Si
C) Ag
D) Au |
|
Definition
|
|
Term
What elements are in hydroxyapatite, OH, a major compound in human bones and teeth?
A) carbon, potassium, oxygen, hydrogen
B) calcium, phosphorous, oxygen, hydrogen
C) carbon, phosphorous, oxygen, helium
D) calcium, phosphorous, oxygen, helium
E) carbon, potassium, oxygen, helium |
|
Definition
| Calcium, phosphorus, oxygen, hydrogen |
|
|
Term
Which of the following elements is a metal?
A) nitrogen
B) fluorine
C) argon
D) strontium
E) phosphorus |
|
Definition
|
|
Term
Which of the following elements is a metalloid?
A) nitrogen
B) lithium
C) iron
D) gold
E) silicon |
|
Definition
|
|
Term
Which of the following elements is a noble gas?
A) oxygen
B) chlorine
C) bromine
D) argon
E) nitrogen |
|
Definition
|
|
Term
The smallest particle of an element that retains the characteristics of the element is a(n) ________.
A) electron
B) neutron
C) proton
D) atom
E) nucleus |
|
Definition
|
|
Term
In an atom, the nucleus contains ________.
A) an equal number of protons and electrons
B) all the protons and neutrons
C) all the protons and electrons
D) only neutrons
E) only protons |
|
Definition
|
|
Term
The atomic number of an atom is equal to the number of ________.
A) nuclei
B) neutrons
C) neutrons plus protons
D) electrons plus protons
E) protons |
|
Definition
|
|
Term
) The mass number of an atom can be calculated from ________.
A) the number of electrons
B) the number of protons plus neutrons
C) the number of protons
D) the number of electrons plus protons
E) the number of neutrons |
|
Definition
| Number of protons and neutrons |
|
|
Term
Isotopes are atoms of the same element that have ________.
A) different atomic numbers
B) the same atomic numbers but different numbers of protons
C) the same atomic numbers but different numbers of electrons
D) the same atomic number but different numbers of neutrons
E) the same atomic mass but different numbers of protons |
|
Definition
| Different number of neutrons, same atomic number |
|
|
Term
The maximum number of electrons that may occupy the third electron energy level is ________.
A) 2
B) 8
C) 10
D) 18
E) 32 |
|
Definition
|
|
Term
What is the element with the electron arrangement 2,8,7?
A) Be
B) Cl
C) F
D) S
E) Ar |
|
Definition
|
|
Term
) What is the electron arrangement for potassium (atomic number 19)?
A) 2,8,9
B) 2,8,7,2
C) 2,10,7
D) 2,8,8,1
E) 2,8,6,3 |
|
Definition
|
|
Term
The number of valence electrons found in an atom of a Group A element is equal to ________.
A) its atomic number
B) its mass number
C) its group number
D) eight
E) eight minus the group number |
|
Definition
|
|
Term
Valence electrons are electrons located ________.
A) in the outermost energy level of an atom
B) in the nucleus of an atom
C) in the innermost energy level of an atom
D) throughout the atom
E) in the first three shells of an atom |
|
Definition
| in the outermost energy level of an atom |
|
|
Term
How many valence electrons are in the electron-dot symbols for the elements in group
3A (13)?
A) 1
B) 2
C) 3
D) 4
E) 6 |
|
Definition
|
|
Term
The metallic character of elements ________.
A) increases going across a period
B) decreases going down within a group
C) increases going down within a group
D) does not change going down within a group
E) none of the above |
|
Definition
|
|
Term
Write the electron arrangement for the atom shown.
Sodium |
|
Definition
|
|
Term
Write the electron arrangement for the atom shown.
Argon |
|
Definition
| 1s2,2s2,2p6,3s2,3p6}2,8,8 |
|
|
Term
Write the electron arrangement for the atom shown.
Sulfur |
|
Definition
| 1s2,2s2,2p6,3s2,3p4} 2,8,6 |
|
|
Term
| ) Mercury is a metal. ( True or False) |
|
Definition
|
|
Term
In ionic compounds, ________ lose their valence electrons to form positively charged ________.
A) metals, anions
B) nonmetals, cations
C) metals, polyatomic ions
D) nonmetals, anions
E) metals, cations |
|
Definition
|
|
Term
To form an ion, a sodium atom ________.
A) gains one electron
B) gains two electrons
C) loses seven electrons
D) loses one electron
E) loses two electrons |
|
Definition
|
|
Term
An anion always ________.
A) has a positive charge
B) contains a group of two or more atoms with a positive charge
C) contains a metal and a nonmetal
D) forms covalent bonds
E) has a negative charge |
|
Definition
|
|
Term
Elements in group 2A (2) of the periodic table form ions with a charge of ________.
A) 1+
B) 1-
C) 2+
D) 3+
E) 0 |
|
Definition
|
|
Term
How many electrons will chlorine gain or lose when it forms an ion?
A) lose 1
B) gain 1
C) lose 7
D) gain 2
E) lose 3 |
|
Definition
|
|
Term
The correct formula for a compound formed from the elements Al and O is ________.
A) AlO
B) Al2O
C) Al3O2
D) AlO3
E) Al2O3 |
|
Definition
|
|
Term
The compound MgCl2 is named ________.
A) magnesium chlorine
B) magnesium dichloride
C) magnesium(II) chloride
D) magnesium chloride
E) dimagnesium chloride |
|
Definition
|
|
Term
| What is the correct formula for iron(III) sulfide? |
|
Definition
|
|
Term
The name of Al2(SO4)3 is ________.
A) aluminum(III) sulfate
B) dialuminum trisulfate
C) dialuminum sulfate
D) dialuminum trisulfide
E) aluminum sulfate |
|
Definition
|
|
Term
Which of the following polyatomic ions has a 3- ionic charge?
A) hydroxide
B) nitrate
C) sulfate
D) phosphate
E) hydrogen carbonate |
|
Definition
|
|
Term
| What is the formula of a compound that contains Na+ and PO43- ions? |
|
Definition
|
|
Term
In a molecule with covalent bonding, ________.
A) oppositely charged ions are held together by strong electrical attractions
B) atoms of metals form bonds to atoms of nonmetals
C) atoms of different metals form bonds
D) atoms are held together by sharing electrons
E) atoms of noble gases are held together by attractions between oppositely charged ions |
|
Definition
| Atoms are held together by sharing electrons |
|
|
Term
The correct name of the compound NCl3 is ________.
A) nitrogen chloride
B) trinitrogen chloride
C) nitrogen(III) chloride
D) nickel chloride
E) nitrogen trichloride |
|
Definition
|
|
Term
According to naming rules, the types of compound that use prefixes in their names are ________.
A) ionic compounds
B) ionic compounds involving transition metals
C) polyatomic ions
D) molecular compounds |
|
Definition
|
|
Term
Which of the following elements does not exist as a diatomic molecule?
A) hydrogen
B) nitrogen
C) chlorine
D) oxygen
E) carbon |
|
Definition
|
|
Term
The ability of an atom to attract the shared electrons in a covalent bond is its ________.
A) electronegativity
B) bonding ability
C) polarity
D) ionic character
E) nonpolarity |
|
Definition
|
|
Term
Which of the following substances contains a nonpolar covalent bond?
A) H2O
B) NaCl
C) NH3
D) MgF2
E) N2 |
|
Definition
|
|
Term
Which of the following compounds contains a polar covalent bond?
A)NaF
B)HCl
C) Br2
D) MgO
E)O2 |
|
Definition
|
|
Term
Which of the following compounds contains an ionic bond?
A)NH3
B)H2O
C)CaO
D)H2
E)CH4 |
|
Definition
|
|
Term
The shape of the water molecule (H2O) is ________.
A) linear
B) tetrahedral
C) trigonal pyramidal
D) bent (109°)
E) trigonal planar |
|
Definition
|
|
Term
The carbon tetrachloride molecule, CCl4 , has the shape of a ________.
A) tetrahedron
B) square
C) cube
D) circle
E) sphere |
|
Definition
|
|
Term
Identify each of the following compounds as covalent or ionic.
Carbon tetrachloride |
|
Definition
|
|
Term
Identify each of the following compounds as covalent or ionic.
Potassium Oxide |
|
Definition
|
|
Term
Identify each of the following compounds as covalent or ionic.
Nitrogen trichloride |
|
Definition
|
|
