click below
click below
Normal Size Small Size show me how
Science
Atomic/periodic table
Question | Answer |
---|---|
hydrogen - H-----list what it is, how many electrons and the atomic mass | non metal - one electron atomic mass- 1.008 |
helium - He-----list what it is, how many electrons and the atomic mass | noble gas - 2 electron- atomic mass 4.003 |
lithium - Li---- list what it is, how many electrons and the atomic mass | alkali metal - 1 electron - atomic mass 6.941 |
berylium - Be--- list what it is, how many electrons and the atomic mass | alkaline earth metal - 2 electrons - atomic mass 9.012 |
boron - B-- list what it is, how many electrons and the atomic mass | metalloids - 3 electrons - atomic mass 10.81 |
carbon - C-- list what it is, how many electrons and the atomic mass | non metal 4 electrons - atomic mass 12.01 |
nitrogen - N--- list what it is, how many electrons and the atomic mass | non metal - 5 electrons - atomic mass 14.01 |
oxygen O--- list what it is, how many electrons and the atomic mass | non metal - 6 electron - atomic mass 16.00 |
fluorine - F--- list what it is, how many electrons and the atomic mass | halogens - 7 electrons - atomic mass - 19.00 |
neon - Ne--- list what it is, how many electrons and the atomic mass | noble gas - 8 electron - atomic mass - 20.18 |
sodium - Na-- list what it is, how many electrons and the atomic mass | alkali metal - 1 electron - atomic mass - 22.99 |
magnesium - Mg-- list what it is, how many electrons and the atomic mass | alkali metal - 2 electron - atomic mass - 24.31 |
aluminum - Al-- list what it is, how many electrons and the atomic mass | non metal - 3 electron - atomic mass - 26.98 |
silicon - Si--- list what it is, how many electrons and the atomic mass | metalloids - 4 electrons - atomic mass - 28.09 |
phosphorus - P-- list what it is, how many electrons and the atomic mass | non metal - 5 electron - atomic mass - 30.97 |
sulfur - S-- list what it is, how many electrons and the atomic mass | non metal - 6 electrons - atomic mass - 32.07 |
chlorine - Cl--- list what it is, how many electrons and the atomic mass | halogen - 7 electron - atomic mass - 35.45 |
argon - Ar-- list what it is, how many electrons and the atomic mass | noble gas - 8 electron - atomic mass - 39.95 |
Which part of the atom is the smallest? | electron |
Which part of the atom is positively charged? | protons |
Which part of the atom is responsible for bonding? | valance electrons |
Which part of the atom is largest? | nucleus |
Which part of the atom is neutral? | the neutron |
3 characteristics of a covalent bond | 1. forms between 2 metals 2. softens compounds 3. can be solid, liquid or gas |
3 characteristics of a ionic bond | 1. between metal & non metal 2. always make a solid 3. rigid brittle compounds |
what is an ion | an atom or molecule with a net electrical charge due to the loss or gain of one or more electrons |
How does an atom become a positive ion | it loses or gains the number of electrons |
What families on the periodic table do this | helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminum |
What is an isotype? | each of two or more forms of the same element that contain equal numbers of the nuetrons in their nucleus. |