chapter 1 review Word Scramble
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Question | Answer |
atoms that have gained or lost electrons become... | ions |
ions have a positive or negative | charge |
atoms have a central region called... | nucleus |
which contains particles called... | protons and neutrons |
the number of protons is the same as the atoms... | atomic number |
atoms have a region surrounding the central area called... | electron cloud |
electron cloud contains particles called... | electrons |
positively charged particle in the nucleus of an atom | proton |
region surrounding an atoms nucleus where one or more electrons are often found | electron cloud |
negatively charged particle that occupies the space in an atom outside the nucleus | electron |
one or more atoms of an element having the same number of protons but different number if neutrons | isotope |
region at the center of an atom that contains most of the mass of an atom | nucleus |
an atom that has a because it has gained or lost electrons | ion |
the number of protons in the nucleus of an atom of an element | atomic number |
uncharged particle in the nucleus of an atom | neutron |
the nucleus of an atom contains ______ ans neutrons | protons |
an electron is a __________ particle located outside the nucleus | negatively charged |
the modern model of an atom is called the _______ model | electron cloud |
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