Chem
1 cm = _____ mm
1 cm = 10 mm
1 dL = __________ mL
1 dL = 100 mL
1 g = _____ kg
1 g = 0.001 kg
1 kg = _____ g
1 kg = 1000 g
1 mL = _____ cc
1 mL = 1 cc
1 g = _____ pg
1 x 10^ 12
1 pg = _____ g
1 x 10^-12
1 m = _____ mm
1,000 millimeters
12) milligram__
A) mass
9) gram _____
A) mass
argon
A) noble gas
The number of electrons in the outer energy level of a neutral atom of boron (atomic number 5) is A) 2. B) 3. C) 5. D) 8. E) 10.
B) 3.
1)1) The measurement 0.000 0043 m, expressed correctly using scientific notation, is A) 4.3 × 10-7 m. B) 4.3 × 10-6 m. C) 4.3 × 106 m. D) 0.43 × 10-5 m. E) 4.3 m.
B) 4.3 × 10-6 m.
sodium
B) alkali metal
6) Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL? A) table salt (density = 2.16 g/mL) B) balsa wood (density = 0.16 g/mL) C) sugar (density = 1.59 g/mL) D) aluminum (density = 2.70 g/mL) E) mercury (density = 13.6 g/mL)
B) balsa wood (density = 0.16 g/mL)
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.
B) the number of protons plus neutrons.
milliliter_____
B) volume
Which of the following numbers contains the designated CORRECT number of significant figures? A) 0.04300 5 significant figures B) 0.00302 2 significant figures C) 156 000 3 significant figures D) 1.04 2 significant figures E) 3.0650 4 significant figures
C) 156 000 3 significant figures
4) 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? A) 0.0025 mL B) 3.0 mL C) 2.5 mL D) 6.3 mL E) 0.0063 mL
C) 2.5 mL
Which of the following gives the correct numbers of protons, neutrons, and electrons in a neutral atom of 118Sn? A) 118 protons, 50 neutrons, 118 electrons B) 118 protons, 118 neutrons, 50 electrons C) 50 protons, 68 neutrons, 50 electrons D) 68 protons, 68 neutrons, 50 electrons E) 50 protons, 50 neutrons, 50 electrons
C) 50 protons, 68 neutrons, 50 electrons
The element in this list with chemical properties similar to magnesium is A) sodium. B) boron. C) carbon. D) strontium. E) chlorine.
C) carbon.
11) kilometer_____
C) distance
8) mm _____
C) distance
phosphorus
C) nonmetal
What is the electron configuration for potassium (atomic number 19)? A) 1s22s22p63s23p7 B) 1s22s22p63s23p53d2 C) 1s22s22p83s23p5 D) 1s22s22p63s23p64s1 E) 1s22s22p63s23p54s1
D) 1s22s22p63s23p64s1
3) Which of the following measurements are NOT equivalent? A) 25 mg = 0.025 g B) 183 L = 0.183 kL C) 150. msec = 0.150 sec D) 84 cm = 8.4 mm
D) 84 cm = 8.4 mm
magnesium
D) alkaline earth metal
The number of dots in the electron dot structure of carbon is A) one. B) two. C) three. D) four. E) five.
D) four.
Which of the following elements is a metal? A) nitrogen B) fluorine C) argon D) strontium E) phosphorus
D) strontium
10) 125 K_____
D) temperature
5) A nugget of gold with a mass of 521 g is added to 50.0 mL of water. The water level rises to a volume of 77.0 mL. What is the density of the gold? A) 10.4 g/mL B) 6.77 g/mL C) 1.00 g/mL D) 0.0518 g/mL E) 19.3 g/mL
E) 19.3 g/mL
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
E) melting gold
copper
E) transition element
bromine
F) halogen