Question | Answer |
What is the positive particle located in the atom’s nucleus? | proton |
What is the negative particle located in the atom’s orbitals? | electron |
What is the neutral particle located in the atom’s nucleus? | neutron |
What are the outermost electrons? | valence electrons |
What is the center core of the atom? | nucleus |
Which atom is most reactive, the atom with one valence electron or the atom with 8 valence electrons? | 1 |
What do valence electrons do (what is their role)? | create chemical bonds |
How do you calculate protons? | atomic number |
How do you calculate neutrons? | atomic mass - atomic number |
Identify the following as a metal, nonmetal or metalloid….Be? | metal |
Identify the following as a metal, nonmetal or metalloid….Si? | metalloid |
Identify the following as a metal, nonmetal or metalloid….Al? | metal |
Identify the following as a metal, nonmetal or metalloid….Ne? | nonmetal |
Identify the following as a metal, nonmetal or metalloid….K? | metal |
Identify the following as a metal, nonmetal or metalloid….O? | nonmetal |
Identify the group and period for N. | Group 15 Period 2 |
Identify the group and period for Mg. | Group 2 Period 3 |
How many valence electrons would be found in Si. | 4 |
Predict the number of valence electrons found in F. | 7 |
Which would be more reactive…K or Ar? | K |
Which would be more stable…Ne or Li? | Ne |
Which group of the periodic table is the most reactive? Why? | Group 1 - only 1 valence electron |
Which group of the periodic table is the most stable? Why? | Group 18 - all 8 valence electrons |
Which group of the periodic table is the least reactive? Why? | Group 18 - all 8 valence electrons |
Which group of the periodic table is least stable? Why? | Group 1- only 1 valence electron |
What is the name of the elements found in group 18? | Noble Gases |
What is the name of the elements found in group 2? | Alkaline Earth Metals |
What is the name of the elements found in group 3-12? | Transition |
What is the name of the elements found in group 1? | Alkali Metals |
What is the formula for density? | mass/volume |
A metal cube has a mass of 325 grams and a volume of 25ml. What is the density of the cube? | 13 g/ml |