periodic table
What number tells you the number of protons end electrons?
Atomic numbers
What is the brain of the atom?
Nucleus
What is the name of element number 1?
Hydrogen
What is aluminum?
AI
What is helium?
Weather ballons
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
What particle has a positive charge?
Proton
What element has an atomic mass of 238?
Uranium
What is magnesium?
Mg
What is calcium?
Strong teeth and bones
How do you find an elements atomic mass?
Add the number of neutrons and the number of protons together
What particle has no charge?
Neutron
What is the name of the element with the elemental symbol Zr?
Zicronium
What is gold?
Au
What is oxygen?
Use it to breathe
What does the term 'valence electrons' mean?
number of electrons an outermost shell, tells how reactive an element is
What particle has a negative charge?
Electron
Which element has 42 as its atomic number?
Molybdenum
What is Uranium?
U
What is chlorine?
A germ killer in swimming pools
How many liquids are on the periodic table?
2
What subatomic particle is not inside the nucleus?
Electrons
What element has the elemental symbol Yb?
Ytterbium
What is lead?
Pb
What is cobalt?
Makes blue glass