Question | Answer |
What is the family in group 1 of the periodic table named? | alkali metals
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What is the family in group 2 of the periodic table named? | alkaline-earth metals
| What is the family in group 3-12 of the periodic table named? | transition metals
| What is the family in group 17 of the periodic table named? | halogens
| What is the family in group 18 of the periodic table named? | noble gases
| What are the 3 main groups of the periodic table? | metals, nonmetals and semiconductors/metalloids
| What group of the periodic table are good conductors of electricity and heat? | metals
| What group of the periodic table are shiny? | metals
| What group of the periodic table are malleable? | metals
| What group of the periodic table are ductile? | metals
| What group of the periodic table can conduct electricity and heat in certain conditions? | semiconductors/metalloids
| What group of the periodic table is used to make electronic devices? | semiconductors/metalloids
| What group of the periodic table are poor conductors of electricity and heat? | nonmetals
| What group of the periodic table are not ductile? | nonmetals
| What group of the periodic table are not malleable? | nonmetals
| What group of the periodic table are brittle? | nonmetals
| What type of ion do metals form? | cation
| What is the charge of a cation? | positive
| What type of ion do nonmetals form? | anion
| What is the charge of an anion? | negative
| What charge does Aluminum have? | 3+
| What charge does Sodium have? | 1+
| What charge does Beryllium have? | 2+
| What charge does Nitrogen have? | 3-
| What charge does Oxygen have? | 2-
| What charge does Fluorine have? | 1-
| The periodic law states that elements that have similar properties appear _______________________. | at regular intervals
| Elements that have one valence electron tend to have 3 characteristics, what are they? | be highly reactive, form ions, become charged
| What does the number and sign in a charge mean? | the number is how many electrons and the charge shows is the electrons were lost or gained.
| If an element loses electrons, what charge does it have? | positive
| If an element gains electrons, what charge does it have? | negative
| What is the periodic trend for atomic radius? | it increases going down a group and decreases going left to right on the periodic table
| What is the periodic trend for electronegativity? | it decreases going down a group and increases going left to right on the periodic table
| What is the periodic trend for ionization energy? | it decreases going down a group and increases going left to right on the periodic table
| Who developed the first periodic table? | Mendeleev
| How was the first periodic table arranged? | by increasing atomic mass
| How is the modern periodic table arranged? | by increasing atomic number |