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