It is B. Thank you later please and do good on the test!
Atomic mass number is the number of protons and neutrons. Subtract 80-35=45 is the number of protons. Because the atom is neutrally charged, the number of protons must equal the number of electrons, so there are 45 electrons.
Water is <u>not wet</u> because the word wet is a form of liquid/water saturated/soaking the object.
Answer:
bromine (Br)
Explanation: Iron enters into a reaction with substances of different classes, and interacts with oxygen, carbon, phosphorus, halogens (bromine, iodine, fluorine and chlorine), and also nitrogen. These are not all the reactions of iron – this metal reacts with many elements.
Answer:
D: a new substance
Explanation:
Chemical reaction
A change in matter that produces on or more new substances
