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Purdue Chem 115 Exam 1 questions well answered
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Purdue Chem 115 Exam 1 questions well answered
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Purdue Chem 115 Exam 1What does the X represent - correct answer ✔✔Atomic Symbol
What does the A represent - correct answer ✔✔Mass Number
What does the Z represent - correct answer ✔✔Atomic number
law of conservation of mass - correct answer ✔✔the law that states that mass cannot be created or
destroyed in ordinary chemical and physical changes
horizontal on periodic table - correct answer ✔✔periods
vertical on periodic table - correct answer ✔✔groups
What are Ionic compounds made of - correct answer ✔✔metal and nonmetal
What are covalent compounds made of - correct answer ✔✔nonmetal and nonmetal
Describe ionic compounds melt/boil temps - correct answer ✔✔high
describe covalent compounds melt/boil point - correct answer ✔✔low
What are ionic compounds soluble and not soluble in - correct answer ✔✔soluble in water, not soluble
in non-polar
What are covalent compounds soluble and not soluble in - correct answer ✔✔soluble in non-polar, not
soluble in water
, Beta charge - correct answer ✔✔negatively charged
Gamma ray charge - correct answer ✔✔no charge
Alpa charge - correct answer ✔✔positively charged
Can you change mass number or atomic number - correct answer ✔✔mass number
What causes isotopes - correct answer ✔✔different number of neutrons
atomic mass unit - correct answer ✔✔amu
what is an amu - correct answer ✔✔1/12 the mass of a carbon-12 atom
groups have - correct answer ✔✔similar chemical properties
where are the metals located on the periodic table - correct answer ✔✔lower section, mid section, left
side
where are the nonmetals located on the periodic table - correct answer ✔✔right side, H
where are the metalloids located on the periodic table - correct answer ✔✔staircase
properties of metalloids - correct answer ✔✔have properties of metals and nonmetals
group 1 name - correct answer ✔✔alkali metals
group 2 name - correct answer ✔✔alkaline earth metals
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