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Chemistry intro
introduction, structure of matter, Atomic Theory
| Question | Answer |
|---|---|
| A scientific theory is a summary of ___________. | explanations |
| A scientific law is a summary of _____________. | observations |
| Scientific theories __________ when new evidence is found. | change |
| All the isotopes have the same number of ____________. | electrons |
| Atoms of the same element having the same atomic number, but different mass numbers are called? | isotopes |
| The number of protons in the nucleus of an atom is called its? | atomic number |
| For an atom, the number of protons and _______ are the same. | electrons |
| Atoms that have the same number of protons, but different number of neutrons are called_______________. | isotopes |
| What is matter? | anything that has mass and volume and occupies space |
| Periods on the periodic table are arranged? | horizontaly |
| Can atoms of two different elements have the same atomic number? why? | No because they would be the same element |
| What are the postulates of the kinetic molecular theory? | all matter consists of tiny particles in constant motion and is proportional to temperature |
| What are the the three common states of matter. | solid liquid gas |
| Calcium | Ca |
| Chromium | Cr |
| Copper | Cu |
| Cobalt | Co |
| Gold | Au |
| Silver | Ag |
| Tin | Sn |
| Iron | Fe |
| Lead | Pb |
| Magnesium | Mg |
| Manganese | Mn |
| Mercury | Hg |
| Nickel | Ni |
| Nitrogen | N |
| Potassium | K |
| Sulfur | S |
| Sodium | Na |
| Which subatomic particles contributes more to the atoms mass? | protons and neutrons |
| Which subatomic particles determine the atoms chemical properties? | elements |
| Which subatomic particles are the smallest? | electrons |
| Which subatomic particles are almost the same weight? | protons and neutrons |
| Which subatomic particles are almost the same size? | protons and neutrons |
| Which subatomic particles determines the identity of an element? | protons |
| Which subatomic particle determines the chemistry of an element? | electrons |
| Carbon | C |
| How do you determine the element by seeing only the electron configurations 1s2s22p3? | adding up all little numbers equaling atomic number |
| Sub Level - S # of orbitals ? | 1 |
| Sub Level - P # of orbitals ? | 3 |
| Sub Level - D # of orbitals ? | 5 |
| Sub Level - F # of orbitals ? | 7 |
| What is ground level? | S |
| Groups 1-3 ______ ions? Making them _____ charge? | lose, positive |
| Groups 15-17 ______ ions? Making them _______ charge? | gain, negative |
| If the outer most shell is full it is _________ ? | noble |
| Difference between elements and compounds? | elements can not be broken down compounds can |
| Physical States of SOLID? | rigid, close packed |
| Physical States of LIQUID? | rigid, close packed |
| Physical States of GAS? | atoms are further apart |
| Temp low vibrations _____? | low |
| Temp high vibration ______? | high |
| Isotopes = different number of______? | neutrons |
| Atom loses electrons making it a positive ion. | Cation |
| Atom gains electron making it a negative ion. | Anion |
| Light from sun is ____________, light from elements is ___________. | continuous, quantrum |
Created by:
hmartelle451
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