Periodic Table
What number tells you the number of protons and electrons?
Atomic Number
What is the 'brain' of the atom?
Nucleus
What is the name of element number 1?
Hydrogen
What element has the symbol Cl?
Chlorine
How many electrons fit on the first energy level?
2
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 4.
He, Helium
What element has 10 electrons?
Neon
How many electrons fit on the third energy level?
18
How do you find an element's 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 Na?
Sodium
What element's symbol is K?
Potassium
Figure out the number of electrons on each energy level for NEON
2) 8)
How many liquids are on the periodic table?
2
What particle has a negative charge?
Electron
Which element has 40 as its atomic number?
Ca, Calcium
What element is a gas with 22 neutrons?
Argon
Figure out the number of electrons for each level for IRON
2) 8) 16)
What does the term 'valence electrons' mean?
number of electrons on outermost shell
What subatomic particle is not inside the nucleus?
Electrons
What element has the elemental symbol Si?
Silicon
What element is a solid named after a state with 253 neutrons?
Californium
What is an electron? Where is it located?
An electron is a subatomic particle with a negative charge located outside the nucleus.