Freeeeeeeeeeeeeeeee.........................................♥
Poinnnnnnnnnnnnnnnnnnnn. nnnnnnttttttttttttttttttttttt.............❤
Share
Freeeeeeeeeeeeeeeee.........................................♥
Poinnnnnnnnnnnnnnnnnnnn. nnnnnnttttttttttttttttttttttt.............❤
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Thx. yaar!!!!!!!!!!!!!!!!!!
because they have same mass number which is 40 and both have different atomic number Argon=18 & Calcium=20. Protium and Deuterium are istopes because they have same Atomic number which is 1 but have different mass number which is 2 & 3.