Answer:
A
Explanation:
acids have weak bonds between hydrogen atoms and (usually) oxygen, which results in its ability to donate the protone
Answer:
B. kilogram.
C. gram.
D. nanometer.
Answer:Density
Explanation: The students should compute the density of the cube. Density is a physical property that can be used to identify most pure substances. The students know the length of a side so they can compute the volume. They also know the mass. Using the density formula, density =
mass
volume
, they can compute the density and identify the metal.
Answer: The density if the bone is .
Explanation:
Mass of the bone = 3.8 grams
Volume of the bone =
Density is defined as mass present in per unit volume of the substance.
The density if the bone is .
Answer:
1.9 g/cm
That's your answer!!
b. The nucleus has a negative charge
c. The atom has a dense nucleus
d. Alpha particles can pass through a thin sheet of gold foil
e. All of the above are correct regarding the gold foil experiment