WorksheetsQ3-Chemistry Vocab. 1-26
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
The basic unit of a chemical element.
a)
Electron
b)
Ductile
c)
Atom
d)
Property
2.
The positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
a)
Nucleus
b)
Corrosion
c)
Indicate
d)
Proton
3.
A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
a)
Nucleus
b)
Neutron
c)
Element
d)
Electron
4.
A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
a)
Proton
b)
Period
c)
Metal
d)
Luster
5.
A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
a)
Atomic Number
b)
Molecule
c)
Electron
d)
Property
6.
The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
a)
Mass Number
b)
Element
c)
Group/Family
d)
Atomic number
7.
The mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
a)
Atomic Number
b)
Mass Number
c)
Non-metal
d)
Corrosion
8.
Each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e., the number of protons in the nuclei of its atoms.
a)
Element
b)
Period
c)
Chemical Symbol
d)
Metal
9.
Chemical symbol. noun. an abbreviation or short representation of a chemicalelement; the symbols in the periodic table. Natural elements all have chemical symbols of one or two letters; some manmade elements have three-letter symbols.
a)
Periodic Table
b)
Chemical Symbol
c)
Metal
d)
Luster
10.
A table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
a)
Property
b)
Luster
c)
Periodic Table
d)
Molecule
11.
A length or portion of time.
a)
Period
b)
Ductile
c)
Metal
d)
Reactivity
12.
A column of elements in the periodic table of the chemical elements.
a)
Magnetism
b)
Molecule
c)
Conductivity
d)
Group/Family
13.
A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel).
a)
Reactivity
b)
Metal
c)
Molecule
d)
Property
14.
The state or power of being reactive or the degree to which a thing is reactive.
a)
Ductile
b)
Molecule
c)
Reactivity
d)
Conductivity
15.
A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
a)
Non-metal
b)
Luster
c)
Conductivity
d)
Molecule
16.
Characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
a)
Indicate
b)
Luster
c)
Property
d)
Proton
17.
An element or substance that is not a metal.
a)
Non-metal
b)
element
c)
metal
d)
corrosion
18.
An element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. They are electrical semiconductors.
a)
Period
b)
Chemical Symbol
c)
Luster
d)
Metalloid
19.
A thin coating containing unoxidized metal that gives an iridescent glaze to ceramics.
a)
Mass Number
b)
Nucleus
c)
Luster
d)
Property
20.
(of a metal or other material) able to be hammered or pressed permanently out of shape without breaking or cracking.
a)
metal
b)
molecule
c)
metal
d)
Malleable
21.
Able to be drawn out into a thin wire.
a)
Period
b)
Conductivity
c)
Ductile
d)
Luster
22.
The degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field that causes the flow of current. It is the reciprocal of the resistivity.
a)
Ductile
b)
Conductivity
c)
Reacticity
d)
Corrosion
23.
A physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
a)
Conductivity
b)
Proton
c)
Metal
d)
Magnetism
24.
The process of corroding metal, stone, or other materials.
a)
Atomic Number
b)
Corrosion
c)
Metal
d)
Period
25.
To point out or point to; direct attention to:
a)
Indicate
b)
Luster
c)
Element
d)
Non-metal
26.
A single human being as distinct from a group, class, or family.
a)
Individual
b)
Indicate
c)
Proton
d)
Atom
100 %
