Slide 1

1 st Six Weeks Test Review- -Atomic Structure -Bohr Models - Periodic Table

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If the bohr model represents a neutral atom, how many protons does it have?

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4 Hint: same number of protons and electrons

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The variables in an experiment belong on which axis on a graph?

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X axis- independent Y axis- dependent

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What is the correct way to write a hypothesis?

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If... Then statement

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List the three subatomic particles and their charges

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Proton- positive Neutron- neutral Electron- negative

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What is the central part of an atom called?

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nucleus

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Which particles are located in the nucleus?

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Proton and Neutron

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What is wrong with the atom model below?

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There are no neutrons

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Based on the diagram below, this atom has an atomic mass of ______, and atomic number of _____.

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Atomic mass = 44 Hint: protons + Neutrons Atomic number = 29 Hint: protons = atomic #

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The diagram below represents an oxygen atom. How many valence electrons does it have?

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6 Hint: V.E. are on the last shell

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What is wrong with the atom model below?

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The 2 nd shell isnt full. It only has 3 electrons. Hint: 2-8-18-32

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The Bohr model below represents which element?

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Beryllium (Be) Hint: electrons = 4, so atomic number =4

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What is the atomic number of the atom below?

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5 Hint: look at number of protons

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The diagram below represents Argon. How many neutrons does Argon have?

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22 hint: atomic mass- Atomic #

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The diagram below represents silver. What is the atomic mass and atomic number for silver?

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Atomic # = 47 Atomic Mass= 108

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An atoms identity is determined by ______.

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The number of protons in its nucleus.

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What do these two atoms have in common?

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Same element Hint: they have same number of protons

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The non-metals are located on the right side of the table. What are some of their properties?

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Mostly gasses, non- malleable, non conductors of electricity,

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According to the table, which element has the largest atomic mass? ElementProtonsNeutronsElectrons Bieberium201220 Gagaeon40880408 Taylorium773377

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According to the table, which element has the largest atomic mass? ElementProtonsNeutronsElectrons Bieberium201220 Gagaeon40880408 Taylorium773377 Gagaeon Hint: protons + neutrons

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Elements in the same group (columns) have what in common?

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-Chemical properties -Same # of electron shells

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These properties describe which type of element? Non-conductors of electricity, non-malleable, mostly gases

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These properties describe which type of element? Non-metals Non-conductors of electricity, non-malleable, mostly gases

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Elements in the same period (rows) have what in common?

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-Same # of electron shells

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Neon is part of the Nobel Gases. How many valence electrons does Neon have?

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8

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True or False- Based on the periodic table, Nitrogen (N) and Phosphorous (P) react chemically similar.

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True or False- Based on the periodic table, Nitrogen (N) and Phosphorous (P) react chemically similar. True- they are in the same group