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Chem Test 3
| Question | Answer |
|---|---|
| Where is the location of a proton? Inside or outside the nucleus | Inside |
| Where is the location of a neutron? Inside or outside the nucleus | Inside |
| Where is the location of an electron? Inside or outside the nucleus | Outside |
| Is a proton small or large? | Large |
| Is a neutron small or large? | Large |
| Is an electron small or large? | Small |
| What is the charge on a proton? | + 1 (positive) |
| What is the charge on a neutron? | 0 (neutral so no charge at all) |
| What is the charge on an electron? | - 1 (negative) |
| Which subatomic particle(s) are involved with chemical bonding, making bonds with other atoms? | electrons |
| In nuclear notation: where is the # of protons located? | Bottom left number (atomic number) |
| In nuclear notation: where is the # of neutrons located? | Top left number AFTER you subtract the mass number and # of protons |
| In nuclear notation: where is the # of electrons located? | Same number as proton # (with a negative charge but dont put negative sign with it) |
| How do you determine S orbitals? | Spheres. On periodic tbale first two towers (including helium) |
| How do you determine p orbitals? | The infinity signs horizontally, vertically, and dianglely (also known as px, py, pz) On perodic table the side 6 columns. |
| If two atoms are isotypes of each other, it means they must have the same number of 1._____ but different numbers of 2.______. | 1. - protons , 2. - neutrons |
| On the Periodic Table, the Atomic Mass of Aluminium as 26.98 amu. What does this number tell you? | Weighted average mass of amu isotypes and relative abundances on Earth.. |
| Which shell would have higher energy: the outer most shell or the closest shell to nucleus? | Outermost shell because its furthest away from the nucleus = Highest energy |
| Hunds Rule | "Septa bus rule" - all electrons sit alone is possible: Ex 2p(3) 3 boxes with one up arrow in each |
| Aufbau Principle | building rule - lowest energy to highest. Ex: 1s(2), 2s(2), 2p(6) etc. |
| Pauli Exclusion Principle | No same arrows should be able in the same box. |
| An atom is made up of _______. These are the "subatomic particles" | Protons, neutrons, electrons |
| Is a protons relative weight (mass) heavy or light? | heavy |
| Is a neutrons relative weight (mass) heavy or light? | heavy |
| Is an electrons relative weight (mass) heavy or light? | light |
| Even though the electron is the smallest and lightest of the subatomic particles | However, its movement takes up most space. ex: gold foil experiment: most "bullets" pass through atom with very few bouncing back (hitting nucleus) |
| Atoms of diffewrent elements are fundamentally different. Why? Because they have different number of ____. We can see this on the Periodic Table of elements. | Protons. (top number of periodic table; also known as atomic number) |
| Atoms having the same idenity (the same number of protons) can have different numbers of neutrons. These atoms have a special name: _____. We can identify these ____ by their different mass numbers: | Isotypes. Mass |
| The periodic table shows the weighted average mass of all atoms of Magnesium on Earth. | "24.3050" weighted average mass: average mass of all isotypes based on abundance (how common on Earth) |
| How do you identify shell numbers on periodic table? | Going down the side of perodic table |
| How do you identify electron numbers on periodic table? | On top horizontally |
Created by:
sc4r