Help 2 what the answer for this?
It is false because electrons have no mass.
Mass number = protons + neutrons
mass number = 5 + 7
mass number = 12
most metals conduct electricity and are very dull to the look. most metals are toxic if eaten and are hard.
aluminum is a type of metal they is softer than the opther and conducts eletricty like a boss.
nickel on the opther hand is also a metal but does not conduct a lot of electricy.
metals can be bent and others can break,
Answer:
Single replacement reaction
Explanation: