Answer:
9
Explanation:
mass number = protons + neutrons
= 4 + 5 = 9
Answer: Mixtures do not have the same composition, properties, and appearance throughout.
Explanation: It does not vary from sample to sample.
Answer:
3
Explanation:
metallic oxides are basic in nature.
A is the correct awnser Beacuse it ether right kne
Independent- The vinegar,corn syrup, distilled water
Dependent- The mass of the egg
Constant- the egg and the beaker