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DICKSON-Chem Review
1.2 HW packet
| Question | Answer |
|---|---|
| Protons and neutrons in in the __________ of an atom. | nucleus |
| The proton number is the __________ | atomic number |
| The particle in the atom that is positive is the | proton |
| The particle in the atom that is negative is the | electron |
| The particle in the atom that is neutral is the | neutron |
| The area outside of the nucleus is called the | electron cloud |
| If an atom _______ electrons it gets a positive charge | loses |
| If an atom _________ electrons it gets a negative charge | gains |
| If an atom changes its neutron number it is called a(n) | isotope |
| If an atom changes its number of electrons it is called a(n) | ion |
| If an atom has the same number of protons and electrons, it is called a __________ atom | neutral |
| Look at your periodic table. What atom has 9 protons? | Fluorine |
| Look at your periodic table. What atom has 18 protons? | Argon |
| Look at your periodic table. What atom has 20 protons? | Calcium |
| What element has an atomic number of 35 | Bromine |
| What element has an atomic number of 1 | Hydrogen |
| The periodic table is organized by (increasing/decreasing) atomic numbers | increasing |
| The mass of the atom is found in the ________ of the atom. | nucleus |
| The electron cloud holds _________. | electrons |
| The nucleus of an atom has what charge? | positive |
| The electron cloud has what charge? | negative |
| If an atom has 3 protons and 2 electrons, what is its charge? | +1 |
| If an atom has 2 protons and 2 electrons, what is its charge? | 0 |
| If an atom has 9 protons and 10 electrons, what is its charge? | -1 |
| The electrons (nearest/farthest) to the nucleus have more energy. | farthest |
| If you add a proton to an atom, it becomes a _____ ________. | new element. |
| The nucleus is the ________ of the atom. | center |
| A neutral atom that has 6 protons will have ______ electrons | 6 |
| A neutral atom that has 17 electrons will have ____ protons | 17 |
| A neutral atom that has 21 electrons will have _____ protons | 21 |
| A neutral atom that has 5 protons will have _____ electrons | 5 |
| An atom of the same element with a ________ number of neutrons is called an isotope | different |
| The smallest part of matter is called a(n) | atom |
| Protons, neutrons and electrons are the ______ ______ of an atom | subatomic particles |
| Protons and neutrons are in the ______ of the atom. | nucleus |
| Iodine has ______ protons | 53 |
| Be has _____ protons | 4 |
| Sulfur has _____ protons | 16 |
| Potassium (K) has ______ protons | 19 |
| An atom with an atomic number of 12 will have ____ protons | 12 |
| The number above the atomic symbol is the _____ ______. | atomic number |
| The abbreviation of the element on the periodic table is called the _____ ______. | atomic symbol |
| An atom with 8 protons will have an atomic number that is ____. | 8 |
| An atom with an atomic number of 44 will have ____ protons | 44 |
| An atom with 82 protons will have an atomic number of ____. | 82 |
| What charge will be formed by Na? | +1 |
| What charge will be formed by Ar | 0 |
| What charge will be formed by F | -1 |
| What charge will be formed by O | -2 |
| What charge will be formed by S | -2 |
| What charge will be formed by P | -3 |
| What charge will be formed by K | +1 |
| What charge will be formed by Ca | +2 |
| What charge will be formed by Rb | +1 |
| What charge will be formed by Al | +3 |
| How many bonds will be formed by Carbon? | 4 |
| How many bonds will be formed by Sulfur | 2 |
| How many bonds will be formed by Neon | 0 |
| How many bonds will be formed by Be | 2 |
| How many bonds will be formed by H | 1 |
| How many bonds will be formed by F | 1 |
| How many bonds will be formed by Kr | 0 |
| How many bonds will be formed by N | 3 |
| How many bonds will be formed by Al | 3 |
| Will Cl (gain or lose) electrons? | gain |
| Will Sr (gain or lose) electrons? | lose |
| Will O (gain or lose) electrons? | lose |
| Will Al (gain or lose) electrons? | lose |
| Will Br (gain or lose) electrons? | gain |
| Will Ar (gain or lose) electrons? | No |
| How many valence electrons does Carbon have? | 4 |
| How many valence electrons does Phosphorus have? | 5 |
| How many valence electrons does Argon have? | 8 |
| How many valence electrons does Bromine have? | 7 |
| How many valence electrons does oxygen have? | 6 |
| How many valence electrons does Magnesium have? | 2 |
| How many valence electrons does Francium have? | 1 |
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