Unit 1- Important Numbers Flashcards
0
Q
What do atoms of the same element have in common?
A
They have the same number of protons so they have the same atomic number
1
Q
What is equal to the atomic number of an atom?
A
The number if protons in the atom
2
Q
How are electrons arranged?
A
In energy levels
3
Q
How are elements arranged in the periodic table?
A
Increasing atomic number and chemical properties
4
Q
What do elements have in common if they have the same number of outer electrons?
A
Similar chemical properties
5
Q
What is an atoms atomic mass?
A
The number of PROTONS+NEUTRONS
