| A | B |
|---|
| What is an atom? | building blocks of matter |
| How do you fing the number of electrons? | number of protons = number of electrons |
| Which element is represented by Na? | Sodium |
| Name the particles in the nucleus: | Neutrons and protrons |
| What is an energy level? | Most likely location of an electron |
| How do you find the # of neutrons? | Atomic mass - atomic number |
| Name the subatomic particles: | Protons Neutrons, and Electrons |
| What is the symbols for Mercury? | Hg |
| What is the atomic mass? | How much mass an atom has OR number of protons and meutrons |
| How many electrons are in each energy level? | 1st level - 2 rest of levels - 8 |
| What does nucleus mean? | center or heart |
| When writing a chemical symbol, what has to be true? | first letter is capitalized, and the second letter is lowercase |
| How you would find the atomic number (without the red number)? | number of protons+ number of neutrons |
| Which elements only have one energy level? | Hydrogen (H) and Helium (He) |
| What is the charge on each subatomic particle? | Proton: Positive, Neutron: neutral, Electron=negative |
| Whatis the atomic number? | number of protons in an atom |
| What is an electron cloud? | space where electrons are most likely to be found |
| Name the mass of each subatomic particle: | p-1 amu, n-1 amu, e-0 amu |
| What identifies one element from another? | atomic number |
| An ion's charge cannot be greater than _____. | four |
| What is an isotope? | two samples of the same element with different numbers of neutrons |
| What is a compound? | two or more elements chemically combined |
| when does covalent bonding occur? | when elements appear close on the chart |
| What is an ion? | an electrically charged particle |
| When an atom has equal protons and electrons it is called___. | neutral |
| To be stable, an atom wants a complete... | valence energy level |
| Name two types of bonding: | ionic, covalent |
| What is the charge if an atom lost two electrons? | +2 |
| Atoms want _____ electrons in their outer shell except... | 8: hydrogen, helium |
| ______ bonding the transfer of electrons. | ionic |
| If an atom looses electronsit becomes a _______. | positive ion |
| Name two ways to find an ion's charge: | short cut pattern (+1, +2, +3, 4, -3, -2, -1) or the four steps |
| The symbol of Mercury is... | Hg |
| ________ bonding involves the sharing of electrons. | covalent |
| NAme 3 ways to figure the number of valance electrons. | top of the column, bohr models, subtraction |
| If an atom gains electrons it becomes a ________. | negative ion |
| H is the symbol for: | Hydrogen |
| He is the symbol for: | Helium |
| C is the symbol for: | Carbon |
| N is the symbol for: | Nitrogen |
| O is the symbol for: | Oxygen |
| Ne is the symbol for: | Neon |
| Na is the symbol for: | Sodium |
| Al is the symbol for: | Aluminum |
| S is the symbol for: | Sulfur |
| Cl is the symbol for: | Chlorine |
| F is the symbol for: | Fluorine |
| K is the symbol for: | Potassium |
| Ca is the symbol for: | Calcium |
| Hg is the symbol for: | Mercury |
| Au is the symbol for: | Gold |
| Ag is the symbol for: | Silver |
| Fe is the symbol for: | Iron |
| Cu is the symbol for: | Copper |
| Zn is the symbol for: | Zinc |
| Sn is the symbol for: | Tin |
| Pb is the symbol for: | Lead |
| Mg is the symbol for: | Magnesium |
