What number tells you the number of protons and electrons?
What is the Atomic Number?
How do you find the # neutrons when given the protons and mass number?
A mystery element has 17 electrons, 17 protons and 18 neutrons? What is the mass of the element?
What is 35AMU?
These are poor conductors of heat and electricity. They are dull in appearance
What is a non metal
A mystery element has 13 protons, 13 electrons and an atomic mass of 27. How many neutrons does this element have?
What is 14 neutrons?
This is a negatively charged subatomic particle
What is an electron
Elements that have characteristics of metals and non metals
What is a metalloid
What element has the symbol Xe?
What is Xenon?
Sodium because is has an atomic number of 11.