Ch.2 Atomic Vocab Question Preview (ID: 41482)


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Smallest particle of matter
a) element
b) compound
c) mixture
d) atom

negatively charged particle
a) proton
b) neutron
c) electron
d) nucleus

where you will find an electron
a) electron shell
b) electron cloud
c) in the nucleus
d) at home watching Netflix

neutral charged particle, found in the nucleus
a) neutron
b) proton
c) electron
d) nucleus

center of atom, positive charge, most of mass is here
a) neutron
b) proton
c) atom
d) nucleus

positive charged particle, found in nucleus
a) proton
b) neutron
c) electron
d) nucleus

number of protons in an element, the whole number on the periodic table
a) atomic mass
b) avg.atomic mass
c) atomic number
d) isotope

average mass of an element’s isotopes
a) avg. atomic mass
b) isotope
c) mass number
d) atomic number

charged atom formed by gaining OR losing electrons
a) isotope
b) electron
c) nucleus
d) ion

same element, different mass = different # of neutrons.
a) ion
b) isotope
c) element
d) mass number

number of protons+neutrons in an element. the number that has decimals on the periodic table
a) mass number
b) average atomic mass
c) atomic number
d) isotope

process that occurs when an unstable atomic nucleus changes into another more stable nucleus by emitting radiation
a) isotope
b) nuclear decay
c) neutron
d) positive

describes elements that spontaneously emit radiation
a) radioactive decay
b) radioactivity
c) catchy song by Imagine Dragons
d) nuclear

an atom with a positive charged, formed by LOSING an ELECTRON
a) ion
b) cation
c) anion
d) isotope

an atom with a NEGATIVE charge, formed by gaining an electron
a) ion
b) isotope
c) cation
d) anion

what particle do we change if we want to make a new element?
a) electrons
b) protons
c) neutrons
d) atomic number

which of these sub-atomic particles is NOT in the nucleus?
a) protons
b) neutrons
c) electrons
d) BOILER UP!

What is the overall charge of an element?
a) positive
b) negative
c) neutral
d)

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