What element has the symbol Ne?
Neon
How many electrons fit on the first shell of an atom?
2
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
What element has an atomic mass of 27
Al, Aluminium
How many electrons fit on the second shell?
8
What is the name of the element with the elemental symbol Si
Silicon
what is the atomic mass?
Number it indicates the total number of protons and neutrons
Which element has 0 neutrons?
H
How many electrons does Ca have?
20
who is the inventor the periodic table?
Dmitri Mendeleeve
What element has the elemental symbol P?
Phosphorus
What element is found in the air that we inhale in?
O-Oxygen
What is the number of electrons for a He atom?
2