If atomic number = 9, the element is:

এই অধ্যায়ের আরও প্রশ্ন

• C-03-Q109The "ID number" of an element refers to its:
• C-03-Q110Since atoms are charge-neutral, the number of electrons equals the number of:
• C-03-Q111The atomic number of Potassium is:
• C-03-Q112The mass number of an atom is the total number of:
• C-03-Q113Mass number is denoted by:
• C-03-Q114The mass number of Sodium is:
• C-03-Q115Sodium has 11 protons. The number of neutrons in is:
• C-03-Q116The mass number is written at the:
• C-03-Q117The atomic number is written at the: