chapter 1

what is the physical state in which matter has no specific shape but does have a specific volume?

a) solid

b) liquid

c) salts

d) ice

e) gas

liquid

The symbol for the element phosphorus is ______

a) Pt

b) K

c) S

d) Ca

e) P

P

_____ is the chemical symbol of element sodium

a) So

b) Sn

c) W

d) Na

e) S

Na

question 4

question 5

question 6

question: two beakers contain clear, colorless liquids. When the contents of the beakers are mixed, a white solid is formed.

is this an example of a chemical or physical change?

chemical change

question: two beakers contain clear, colorless liquids. When the contents of the beakers are mixed, a white solid is formed.

2. What would be the most convenient way to separate the newly formed white solid from the liquid mixture?

   • distillation

   • filtration

   • chromatography

filtration

the SI unit for mass is _____

a) pound

b) kilogram

c) gram

d) troy ounce

e) non of the above

kilogram

Express the temperature, 275.18 K, in degrees Celsius

a) 274.17 C

b) 22.78 C

c) 548.33 C

d) 2.03 C

e) 120.88 C

2.03

_____ is the abbreviation for the prefix mega

a) k

b) M

c) m

d) n

e) d

M

____ is the abbreviation for the prefix mili

a) k

b) n

c) d

d) m

e) M

m

______ is the abbreviation for the prefix milli-

a) k

b) n

c) d

d) m

e) M

m

A temperature of 300. K is the same as ________ F

a) 81

b) 351

c) 260

d) 63

e) 711

81

The density of silver metal bar is 10.5 g/cm³ and it occupies a volume space of 0.5L. What is its mass in kilograms (kg)

a) 5.25 kg

b) 0.5250 kg

c) 5250 g

d) 52.5 kg

5.25 kg

The correct