2. label each of the following measurements by the
quantity each represents. for instance, a measure-
ment of 10.6 kg/m² represents density.
a. 5.0 g/ml
f. 325 ms
b. 37 s
g. 500 m2
c. 47 )
h. 30.23 ml
d. 39.56 g
i. 2.7 mg
e. 25.3 cm
j. 0.005 l

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Element before carbon on the periodic table