How are solids characterized?

a. They take the shape of their containers.

b. They have a fixed volume and shape.

c. They weigh more than 50 grams per cubic centimeter.

The balanced reaction equation for combustion of heptane, C 7 H 16, is C 7 H 16 + 11 O 2 ⟶ 7 CO 2 + 8 H 2 O If the reaction produced 23.

All combustion reactions have oxygen as a reactant. True False

Which of these can be considered a system? Check all that apply.

What do all physical changesin science have in common

The periodic table is based on an element's a. atomic number. b. atomic mass. c. molecular size. d. molecular mass.

According to Reference Table N, which radioactive isotope will retain only 1/8 its original radioactive atoms after approximately 43 days? A. gold-198 B. iodine-131 C. phosphorus-32 D. radon-222

the cathode ray experiment indicated the existence of negatively charged particles in an atom. this experiment also disproved the part of daltons atomic model that claimed indivisibility of the atom.

Hich features are created by wave erosion? Select three options. arches cliffs deltas rills stacks

Drag the types of electromagnetic waves to place them in order of increasing wavelength. Ultraviolet Infrared visible light

What happens when a given mass of a liquid starts to expand?