WorksheetsVocab Set #5: Unit 2 Chemistry 1
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
How readily a substance combines chemically or reacts with other substance.
a)
Catalyst
b)
Production
c)
Reactivity
d)
Inert
2.
A combination of two or more atoms
a)
Atom
b)
Compound
c)
Particle
d)
Molecule
3.
Positively charged particles found inside the nucleus.
a)
Atom
b)
Proton
c)
Neutron
d)
Electron
4.
The number of protons in a nucleus of an atom. Distinguishes between different types of atoms.
a)
Atomic Mass
b)
Atomic Number
c)
Atomic Symbol
d)
Atomic Name
5.
The area around the nucleus of an atom where the atoms electrons are found.
a)
Nucleus
b)
Electron Cloud
c)
Zone of Electrons
d)
Atomic Cloud
6.
The smallest particle of an element.
a)
Atom
b)
Proton
c)
Neutron
d)
Electron
7.
Electron(s) on the outermost energy level of an atom that is responsible for the chemical properties of an atom.
a)
Electron Cloud
b)
Valence Electrons
c)
Outer Electrons
d)
Nucleic Electrons
8.
A measure of how much matter is in an object.
a)
Mass
b)
Volume
c)
Density
d)
Weight
9.
A substance made up of atoms of two or more different elements joined by a chemical bond.
a)
Molecule
b)
Element
c)
Compound
d)
Mixture
10.
A symbol assigned to an element based on the name of the element, consisting of one capital letter or a capital letter followed by a lowercase letter.
a)
Atomic Mass
b)
Atomic Name
c)
Atomic Number
d)
Atomic Symbol
11.
Negatively charged particles that surround the nucleus of an atom.
a)
Atom
b)
Proton
c)
Neutron
d)
Electron
12.
Anything that has mass and takes up space.
a)
Mass
b)
Matter
c)
Electrons
d)
Density
13.
The number of protons and neutrons in an atom.
a)
Atomic Mass
b)
Atomic Number
c)
Atomic Name
d)
Atomic Symbol
14.
A small particle in the nucleus of the atom, with no electrical (neutral) charge.
a)
Atom
b)
Proton
c)
Neutron
d)
Electron
15.
A theory that states that all matter is composed of tiny particles called atoms.
a)
Theory of Stuff
b)
Atomic Theory
c)
Universal Theory
d)
Theory of Mass
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