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Atom and Basics review

Saadzoi

Basics of atom, periodic table and basic introductory concepts to help students study for California CST exam in chemistry

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Across
3.Number of valence electrons that second ring of atom can hold
5.Element in alkaline earth family that has the smallest atomic size
7.Element in period 5 with the largest ionization energy
8.Transition metal that has 26 neutrons and 22 electrons
9.All metals are this type of ion
10.Laboratory technique that can be used to make get drinking water from salt water
13.Element in period 2 that has a negative 3 charge as an ion
16.Number of valence electrons alkali metals have
20.Atom that has gained an electron is called this
21.An educated guess
22.The majority of the atom is ________ space
23.Element that could have an isotope with atomic number of 12 and a mass of 26amu
25.Noble gas with the largest atomic size
26.Scientist that determined that there was a positively charged nucleus
29.Semimetal that has 4 valence electrons and is used to make glass
31.Scientist that discovered the electron using the cathode ray tube experiment
32.Element with the lowest electronegativty in period 3
33.Element in period 5 with the largest ionic radius
Down
1.Most electronegative element in periodic table
2.Francium would have chemical properties most similar to elements from this family
4.Noble gas that does not have 8 valence electrons
6.Semimetal with 5 valence electrons
11.Where all of the mass of an atom is located
12.Element in period 4 with the most neutrons
14.Atoms that have the same number of protons but a different number of neutrons
15.Element in period 4 with 3 valence electrons
17.Subatomic particle that identifies an element
18.Alkaline earth metal with a nuclear charge of +12
19.Element in period 3 with a negative 3 charge
24.Element with 3 valence electrons that does not have an octet during bonding
27.Chlorine is a member of this family
28.The least reactive transition metal
30.Atoms that have the same number of protons but a different number of electons

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