Answer:
B. Size
Explanation:
its reactivity, flammability and combustibility depend on its chemical properties but its size is its physical property
<span>Isotopes are atoms of the same element with the same number of protons and a different number of:
</span><span>c. neutrons.</span>
Answer:
.900 J / g-C°
Explanation:
I assume you are looking for the specific heat of the metal
Specific heat = J / g-C
= 6640 J / 348 g[ (43.6 - 22.4) ] = .900 J / g-C
Answer:
Correct option is B. It shows the ratio of elements in the compound.
Explanation:
Empirical formula is the simplest form of the chemical formula. It shows the simplest ratio of atoms in compounds. It is determined by %age of each element.
Just choose one of them. Getting one question wrong isn't the end of the world.
I suggest water.