What is the total number of protons in the nucleus of an atom of potassium-42?
(1) 15 (3) 39<...
Chemistry, 22.08.2019 12:00 alexar6332
What is the total number of protons in the nucleus of an atom of potassium-42?
(1) 15 (3) 39
(2) 19 (4) 42
Answers: 1
Chemistry, 22.06.2019 18:30, rosie20052019
You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas
Answers: 1
Health, 15.01.2020 03:31
Chemistry, 15.01.2020 03:31
Mathematics, 15.01.2020 03:31