FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT

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FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT

PERIODIC TABLE VOCAB EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -26 Questions and Answers -format set of multiple-choice -Expert-Verified 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