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FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT
PERIODIC TABLE VOCAB EXAM QUESTIONS
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -26 Questions and Answers -format set of multiple-choice -Expert- Explanation
Question 1: alkali metals
Answer:
most reactive elements, are seldom found uncombined with other atoms
Question 2: electron
Answer:
negatively charged particle that orbits the center of an atom
Question 3: metal
Answer:
elements that are good conductors of electricity and heat often shiny and bendable
Question 4: electrical conductivity
Answer:
ability to carry electrical current
Question 5: metalloids
Answer:
have some properties of metals and some of nonmetals. Solid at room temperature. Hard Brittle and somewhat reactive
Question 6: group
Answer:
term for the columns of the periodic table also known as families
Question 7: proton
Answer:
positively charged particle in the nucleus of the atom
Question 8: nonmetal
Answer:
element that lacks most properties of a metal. mostly found on the right side of periodic table
Question 9: corrosion
Answer:
deterioration of a metal due to a chemical reaction
Question 10: malleable
Answer:
can be hammered or rolled into flat sheets or shapes
Question 11: halogens
Answer:
means "salt forming" flourine, bromine, chlorine and iodine. very reactive
Question 12: thermal conductivity
Answer:
ability to transfer heat
Question 13: luster
Answer:
shiny and reflective
Question 14: diatomic molecule
Answer:
two molecules of the nitrogen family are combined with each other and is not very reactive
Question 15: period
Answer:
term for the rows of the periodic table
Question 16: noble gasses
Answer:
elements of group 18. Do not normally form compounds because they do not share electrons
Question 17: ductile
Answer:
can pulled out or drawn into long wires
Question 18: reactivity
Answer:
ease and speed with which one element combines with another
Question 19: nucleus
Answer:
very center of the atom
Question 20: atomic mass
Answer:
average mass of all the isotopes of that element
Question 21: semiconductors
Answer:
substances that can conduct electricity under some conditions
Question 22: periodic table
Answer:
arrangement of elements showing a repeating pattern
Question 23: alkaline earth metals
Answer:
these metals are harder and denser and melt at higher temperatures
Question 24: atomic number
Answer:
number of protons in the nucleus of an atom
Question 25: chemical symbol
Answer:
one or two letter abbreviation for an element
Question 26: neutron
Answer:
particle in the nucleus that has no charge
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