Answer:
physic
Explanation:
physical chnages are chnages to the appearance
chemical chnages are chnages like
color temperature chnaging fromna gas to a liquid etc
Incorrect, temperature is directly proportional to the avg. KE of a gas.
Answer:
B. Na+ and O2-
Explanation:
Na+ plus has 10 electrons and O2- also has 10 electrons
Answer:
Reaction type: Single displacement
Reactant: Magnesium
Product: Dihydrogen - H2