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Atoms
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_________ and _________ equal an atom's mass
Protons and Neutrons
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Group 18 is called the ____________ family
Noble Gas
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How many periods are on the periodic table?
7
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If an atom has an atomic number of 16, how many protons does it have?
16
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Where are protons and neutrons found?
Nucleus
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How many groups are on the periodic table?
18
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How many neutrons are in an atom of gold?
118
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The overall charge of an atom is (usually) ________
neutral
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Every vertical column on the periodic table is called a ________
group or family
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What type of charge does a neutron have?
Neutral/no charge
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Melting an ice cube to get liquid water
Chemical Change
Physical Change
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What is the atomic mass of lead?
207.2
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What must be true about the element "X"?
It will have a mass greater than 30 amu
It will have 28 protons
It will have chemical properties similar to C
It will have 6 electrons
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The second energy level can hold up to how many electrons?
8
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If an atom has an atomic number of 8, how many protons does it have?
8
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What is an example of a metalloid?
Boron, Silicon, Arsenic, Antimony, Tellerium, etc.
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What do you call anything that has mass and takes up space?
Matter
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Positively charged particle in an atom
Proton
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Grinding coffee beans
Physical Change
Chemical Change
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How many protons does this element have?
7
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All matter is made of _________
atoms
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The ____________ is an abbreviation for the element's name
symbol
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What type of charge does an electron have?
Negative
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Sodium has 11 neutrons, 12 protons, and 11 electrons. What is its mass?
23
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Gases created when baking soda and vinegar are mixed
Chemical Change
Physical Change
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Where are electrons found?
Electron cloud
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Rolling a ball of clay into a long straight line
Physical Change
Chemical Change
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A neutral atom of lead has 82 protons, how many electrons does it have?
82
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The center of an atom is called the __________
nucleus
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What is one method to make sugar dissolve faster in water?
Heat it up, stir it, make the particles smaller
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Every horizontal row on the periodic table is called a ________
period
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Neutral particle in an atom
Neutron
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How many electrons are in an atom of silver?
47
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Most of the mass in an atom is concentrated in the
Nucleus
Empty space
Electron Cloud
Protons
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Negatively charged particle in an atom
Electron
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A bar of chocolate melting in the sun
Chemical Change
Physical Change
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Most of the periodic table consists of
metalloids
isotopes
non-metals
metals
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What element is most similar to Barium (Ba)?
Cesium (Cs)
Tantalum (Ta)
Magnesium (Mg)
Boron (B)
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Which statement best describes an electron?
Smaller mass than a proton and a negative charge
Smaller mass than a proton and a positive charge
Greater mass than a proton and a positive charge
Greater mass than a proton and a negative charge
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What type of charge does a proton have?
Positive
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Baking cookies
Physical Change
Chemical Change
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In which group are the Noble Gases located?
Group 18
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An atom of chlorine has 17 protons and 18 neutrons, what is its atomic mass?
35
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