Scandium. Its atomic number is 21. It is the first d block element.
it's neon
Carbon is a none metal element. atomic number of it is 6.
Calcium is a metal element. atomic number of it is 20.
Uranium is a radioactive element. It is in the f block. We use it for make energy.
Oxygen is a gas element. atomic number of it is 8.
it's neon
Ge is a p block element. Its atomic number is 32.
Silicone is a none metal element. atomic number of it is 14.
Palladium is a d block metal element. atomic number of it is 46.
Carbon is a none metal element. atomic number of it is 6.
Calcium is a metal element. atomic number of it is 20.
Uranium is a radioactive element. It is in the f block. We use it for make energy.
Could you please re-ask your question in a better manner, because that question does not make sense. Are you trying to ask the atomic mass of the element with the atomic number of 7? or are you just stating that there is an element with the atomic number of 7? because that is not a very good question.
Boron, atomic number 5, is a Group 13 element, in Period 2, in block p.
Oxygen is a gas element. atomic number of it is 8.
Neon is a noble gas. It is in p block. Atomic number of neon is 10.
the Atomic number on Periodic Table is the identity of an element in the table , it gives the indications about Group, period and Block of elements it also predicts the chemical and physical properties of the element.